examples of topic sentences in essays

How to Write Masterful Topic Sentences for Essays

A topic sentence, usually the first sentence in a paragraph, introduces the main idea of that paragraph and sets its tone. A topic sentence is especially important in essays , where topics change from paragraph to paragraph. This makes knowing how to write a topic sentence crucial for any student or writer.

Of course, writing a topic sentence yourself isn’t always easy. How do you start one? What details should you include—or not include? This quick guide explains everything you need about how to write a topic sentence, with plenty of examples sprinkled throughout.

Here’s a tip: Want to make sure your writing shines? Grammarly can check your spelling and save you from grammar and punctuation mistakes. It even proofreads your text, so your work is extra polished wherever you write.

Your writing, at its best Grammarly helps you communicate confidently Write with Grammarly

Table of contents

Purpose of a topic sentence

Topic sentence types and examples

How to write a good topic sentence

On the surface, the purpose of a topic sentence is merely to present the main idea of the paragraph so that the reader knows what to expect. However, the best topic sentences do a little more.

First, topic sentences string together paragraphs in a way that progresses nicely and facilitates reading. Moving from one paragraph to another can feel jarring and abrupt, so topic sentences help maintain the flow of the overall piece of writing—and readers’ focus as a result.

Moreover, topic sentences also “preview” what the reader can expect from the rest of the paragraph. Based on the topic sentence, the reader can figure out if the paragraph will contain a list, statistical data, anecdotal evidence, persuasive opinions, a narrative, or something else.

If the same paragraph covers opposing points of view, you may need two or more topic sentences to show the reader the main idea has changed. The most common example of this is in paragraphs that compare or contrast positions, in which case each perspective needs its own introduction .

For these types of paragraphs , you could introduce your first idea with the opening topic sentence, then provide one or two sentences of support, and afterward introduce a second topic sentence known as a pivot (explained below). The pivot topic sentence introduces the paragraph’s second main idea or contradicting point of view, also followed by one or two sentences of support.

Different types of essays use topic sentences differently as well. Argumentative essays and persuasive essays may have more opinionated topic sentences, whereas those in expository essays would stick to facts. Compare-and-contrast essays , which alternate between opposite sides of a topic, rely on topic sentences to ease those transitions, on top of everything else.

This is true not just for different essay types, but also different paragraph types as well. Even within the same essay, the author may switch up paragraph styles between expository, descriptive, persuasive, and narrative —in that case, each requires a slightly different style of topic sentence.

Topic sentence vs. thesis statement

If you’re also learning about how to write a thesis paper , you may get topic sentences confused with thesis statements. Basically, topic sentences introduce the main idea of a paragraph, whereas thesis statements introduce the main idea of the entire paper or essay. Both serve the same function—preparing the reader with a preview—but in different capacities.

Topic sentence types and examples

Before you learn how to write a topic sentence, it helps to see what different forms they can take. Here we explain the different types, along with some topic sentence examples.

Simple statement

This is the most basic type of topic sentence, in which the author makes a general statement that the rest of the paragraph elaborates on.

New research indicates a link between a person’s cognitive style and the type of content they post on Twitter.

Those weeks at the farmhouse gave me some of the best memories of my life.

To break up the monotony of using the same sentence types over and over again, you can phrase your topic sentences as direct commands or requests to your readers.

Take a look at the data to see what I mean.

Now let’s consider the alternative.

Question (interrogative)

Opening a paragraph with a question is a great way to get the reader interested and involved, as long as you stay on topic.

What would you do if you became a millionaire overnight?

How many countries are prepared for a change in sea levels?

If you have a complicated topic that covers multiple ideas, you may want to use a complex topic sentence. Even though these would still qualify as “statements,” they address more than one main idea.

Although the majority of people still believe in alpha wolf theory, the truth is that wolf packs in nature don’t necessarily have a designated leader.

As appealing as Ayn Rand’s ideas may seem to some, the logical and evidential support just isn’t there.

Purely transitional

While all topic sentences have to deal with transitions to a degree, in some cases they can be purely transitional. These work best in circumstances when the topic changes drastically by drawing attention to the switch.

However, not everyone agrees.

This was just the way the world was, and perhaps always would have been, if a random apple had not fallen onto the head of a young Isaac Newton.

Similar to purely transitional sentences, pivot sentences are embedded within a paragraph— not at the beginning—to indicate a shift from one topic to another. They often include conjunctive adverbs such as however , meanwhile , furthermore , etc.

By contrast, Nikola Tesla saw alternating current as a better solution.

However, the Bears’ winning streak could not last forever.

Topic sentences follow many of the usual guidelines for writing sentences , but there are a few particular tips just for them.

1 Get the reader interested with a hook

Good topic sentences usually include a “hook,” or something that makes people want to read more. While some are more common than others, you can hook your readers in a variety of ways:

Shocking revelations , like surprising facts or impressive data

Despite the record-breaking turnouts, only one percent of the teams managed to complete the first challenge.

Mystery , which is especially useful with interrogative topic sentences

What finally changed the senator’s mind?

Emotion , or encouraging the reader to form a personal connection with the topic

Living with a dog has its difficulties, but not as many as living without one.

2 Find a middle ground between general and specific

One of the biggest challenges in writing topic sentences is learning how much to include and how much to save for the rest of the paragraph. In short, you want to say just enough so that the reader knows what the paragraph is about, and ideally gets interested. Everything else should wait until the supporting sentences.

For example, let’s look at a topic sentence for a paragraph about an apartment, from Meghan Daum’s essay “ My Misspent Youth ”:

There was nothing particularly fancy about the place.

The remaining paragraph is full of specific details about the apartment, but Daum doesn’t mention them in the opening sentence. Likewise, she doesn’t ignore the description altogether, giving a glimpse to the reader to pique their curiosity and prepare them for a paragraph describing the place.

3 Be clear above all

The most important part of topic sentences is clarity. Even if you get the reader excited and eager to read more, it won’t matter if they don’t know what they’re reading about.

This may be easy enough when just writing a single topic sentence, but it gets harder when writing sentence after sentence for hours on end. After a while, you get bogged down by your own thoughts and concerns about the essay and may momentarily forget about the reader’s perspective.

If that writing process sounds familiar, try Grammarly. Our product not only catches typos and grammar mistakes, but also points out mismatched tone , weak word choice , and even assesses clarity.

You have enough things to worry about when writing an essay; don’t let the high-priority concerns like clarity fall through the cracks. Try Grammarly for free to see for yourself.

*** Enter the $2,000 College Transitions No Essay Scholarship Contest ***

30 Topic Sentence Examples

June 24, 2024

What is an essay without a topic sentence? Well, confusion. In your writing, the topic sentence introduces what the paragraph will be about. It should cover the topic of the paragraph and the prime focus of what you want to discuss in the next several lines. And it can assist in smoothly transitioning into the next paragraph, the next point you’re about to make. Depending on the complexity of your argument, the topic sentence can also weave together several paragraphs. So when the topic sentence is missing, it’s easy to lose track of what your specific message is. Below, you find 30 topic sentence examples.

Think of the topic sentence as a tool in your writing kit. It’s there to help you signpost and structure the argument of your essay. Having it, while making sure the topic is interesting and clear, is essential to help your reader truly understand your thesis.

How do you write a topic sentence?

When you’re about to write an essay, you won’t find yourself immediately thinking of every topic sentence example at once. Figuring out what your thesis is going to be, the very purpose and argument of your essay, will be a necessary first step . Then you might want to create an outline . The outline can draft out what you want to cover in each paragraph or how your argument will be supported.

This is where the topic sentence comes in. For every paragraph, you can begin to think of topic sentence examples that best sum up the rest of your idea. The more interesting you can make the topic sentence, the better it will be, so long as you can support it. Remember, the topic sentence will introduce what you are going to discuss and expand on in the rest of the paragraph.

Examples (Continued)

Let’s take a look at these six topic sentence examples below that introduce a paragraph:

1) Studies over the last ten years have shown that the use of social media has a significant role in teenage mental health.

2) Kate Jackson and her family, who have all been San Francisco residents for 30 years, noted that this was the hottest summer yet.

3) Book sales across the country have actually increased this year, contrary to popular belief.

4) During COVID-19, people rushed to adopt pets, but after the pandemic ended many of those pets were surrendered to shelters.

5) It is undeniable what impact the meat industry has had on our environment.

6) In the 19th century in France, the creation of the Braille system was a significant turning point for those with disabilities.

How do you imagine the rest of the paragraph will turn out? How can you best support your topic sentence to strengthen your overall essay?

Support your paragraph with evidence

The topic sentence of your paragraph will not hold well if it is not backed up with the right evidence. After writing a topic sentence like the topic sentence examples above, the rest of your paragraph should include strong examples of evidence to support your argument. Doing so will only help validate your topic sentence and allow your reader to have more insight into your thesis.

Considering each topic sentence examples above, try to think of what types of evidence you would expect in that same paragraph. There could be reports on statistics, interviews, and other forms of evidence provided. How will yours be?

Where should the topic sentence go?

Now you know that your topic sentence should be followed by the right evidence. So it’s safe to assume that the topic sentence belongs at the very beginning of the paragraph.

Yet depending on the paragraph you’re working on, you can also place your “main” topic sentence after an “intro” topic sentence. Let’s take a look at the two examples below:

7) Due to rising temperatures around the world, people have had to flee their homes and relocate to areas less prone to fires or floods. (Intro topic sentence)

8) However, many have found that even these “safer” locations are still susceptible to eventual natural disasters. (Main topic sentence)

When we combine the two sentences, we get:

Due to rising temperatures around the world, people have had to flee their homes and relocate to areas less prone to fires or floods. However, many have found that even these “safer” locations are still susceptible to eventual natural disasters.

The first (intro) topic sentence example is more generic and introductory, functioning like a summary of an observation. The second (main) topic sentence example then presents another contradictory argument to that first point. Depending on the tone or argument you want to make in your paragraph, you can format your topic sentences in such a way to further sharpen your thesis. Whenever you have doubt though, you can always place one topic sentence at the beginning of the paragraph.

Sometimes less is more in writing the topic sentence

The topic sentence introduces the key concept of that paragraph, along with evidence and research findings. It can even be written as more than one sentence or perspective, as noted directly above. However, you also don’t want to say too much. Why?

You don’t want to give all of your information away at once. While it is imperative to write a clear, specific, and even complex topic sentence, it’s just as important to avoid being too general or too informative. Striking the right balance is going to help you structure the rest of your essay. After all, you have the rest of the paragraph and the rest of your essay to do that, which leads us to our next point.

Topic sentences for smoother transitions

Like a game of dominoes, your paragraphs are all connected and should flow smoothly into the next statement you are making. As you are building your outline, or even as you’re already writing, consider how your previous paragraph transitions into the next . This depends on the intention of each paragraph and how you are structuring your argument.

Topic sentences for paragraph transitions have many functions. They will elaborate on more examples. They can wrap up or summarize a preceding point you made, providing another perspective. Also, they can go against a fact or opinion you wrote, which is a great way to strengthen your overall thesis and they can also be posed as a question.

Take a look at these transitional topic sentence examples below:

9) In fact, walking as a form of exercise has shown to reduce cortisol levels.

10) Furthermore, city council representatives have said that environmental sustainability has remained at the top of the agenda, but activists have largely disagreed.

11) While the strike in Hollywood has come to an end, many writers are still without employment and searching for new ways to restart their careers.

12) However, grocery prices across the country still seem to have risen.

13) Despite the state’s discontinued funding for the arts, is there another feasible way for these students to gather together and flourish as young artists at their school?

More than one paragraph: Topic sentences that expand into several key points

So far we’ve covered topic sentences that elaborate on just one paragraph. However, you might find that one topic sentence (or two) can best address several paragraphs. This usually occurs when you’re trying to introduce a bigger argument to serve your essay.

Let’s take one of the single paragraph topic sentences from earlier above and expand it by adding a connecting topic sentence to it:

14)Book sales across the country have actually increased this year, contrary to popular belief.

15) A report from the Association of American Publishers’ StatShot program states that in April sales over a year there has been an 18% increase.

These two topic sentence examples can even serve as their own introductory paragraph. This can then lead into more paragraphs related to the topic of specific book sales increasing across the country:

Book sales across the country have actually increased this year, contrary to popular belief. A report from the Association of American Publishers’ StatShot program states that in April sales over a year there has been an 18% increase.

Make the topic sentence interesting, not obvious

Check out 15 more topic sentence examples below. How do they introduce the topic, and what does it make you want to learn more about? You can imagine what kind of paragraph, or paragraphs, might follow afterwards:

16) When brewed correctly, coffee can hold strong, subtle hints of flavors such as chocolate or fruit, depending on the level of acidity.

17) Although today life in 1920s Paris is often romanticized for its glamor, jazz, and fashion, the city was still struggling to recover from the devastation of World War I.

18) Strict social rules dominated the Victorian Era, despite Britain’s expansion around the world in pursuit of wealth and power.

19) Dogs have a keen sense of time, so much so that they can predict when you’re late to take them out for a walk.

20) Before winter arrives, birds such as cranes and waterfowl follow preferred aerial pathways during their yearly migrations.

21) Conservation methods have helped local farms in their efforts to prioritize sustainability.

22) Did you know that humans would have a better chance of reaching Mars if they had a base set up on the moon?

23) The Pacific Ocean covers more than 30 percent of the earth’s surface, and it is home to so many life forms that have not yet been studied.

24) It is often debated whether or not student athletes should be paid for their performance, considering the cost for them to succeed.

25) Becoming a successful CEO doesn’t just happen overnight.

26) Although purchasing a home is considered a great form of investment, potential buyers should look at the real estate market first.

27) Watching my mother work three jobs to support our family has taught me the importance of resilience and strong work ethic.

28) Historical fiction not only has the power to teach us of actual past events. It also allows us to step into the lives of those we would have never met.

29) Parents and teachers at Sunnyroad School District are advocating for schools to provide free computers for their students – but the administrators aren’t so sure.

30) Across the country, the debate around whether teenagers should be allowed to use smart phones on campus has been circulating.

The topic sentence as a guide

One way to look at topic sentences is to imagine them as guiding compasses of your essay. Whatever point you are trying to make, the topic sentence has the power to guide your reader down a certain path. Choose wisely! And if you’re ever unsure about how to steer your essay and you need a personal guide, we’re here to help .

Additional Resources

100 Creative Writing Prompts for Middle & High School
100 Tone Words to Express Mood in Your Writing
160 Good Argumentative Essay Topics for Students in 2024
How to Write the AP Lang Rhetorical Analysis Essay (With Example)
How to Write the AP Lang Argument Essay (With Example)
400 Adjectives to Describe a Person
High School Success

Joanna Hong

With a BA from Pitzer College and an MA from University College London, Joanna has worked in London, Berlin, and Los Angeles covering many cultural and political issues with organizations such as Byline Media, NK News, and Free Turkey Media. A freelancer for The New York Times, her work has also appeared in Newsweek, Dazed and Confused Magazine, and The Guardian, among others. In addition, Joanna was the recipient of the 2021 PEN America Emerging Voices Fellowship in Fiction and is currently completing her first novel.

2-Year Colleges
ADHD/LD/Autism/Executive Functioning
Application Strategies
Best Colleges by Major
Best Colleges by State
Big Picture
Career & Personality Assessment
College Essay
College Search/Knowledge
College Success
Costs & Financial Aid
Data Visualizations
Dental School Admissions
Extracurricular Activities
General Knowledge
Graduate School Admissions
High Schools
Homeschool Resources
Law School Admissions
Medical School Admissions
Navigating the Admissions Process
Online Learning
Outdoor Adventure
Private High School Spotlight
Research Programs
Summer Program Spotlight
Summer Programs
Teacher Tools
Test Prep Provider Spotlight

“Innovative and invaluable…use this book as your college lifeline.”

— Lynn O'Shaughnessy

Nationally Recognized College Expert

$2,000 No Essay Scholarship

Presented by College Transitions

Win $2,000 for college • 1 minute or less to enter • No essay required • Open to students and parents in the U.S.

Create your account today and easily enter all future sweepstakes!

Enter to Win $2,000 Today!

Words with Friends Cheat
Wordle Solver
Word Unscrambler
Scrabble Dictionary
Anagram Solver
Wordscapes Answers

Make Our Dictionary Yours

Grammar and writing tips
Fun language articles
#WordOfTheDay and quizzes

By signing in, you agree to our Terms and Conditions and Privacy Policy .

We'll see you in your inbox soon.

Examples of Topic Sentences That Make the Purpose Clear

DESCRIPTION Cat icon with Topic Sentence Example
SOURCE Cat: VikiVector / iStock / Getty Images Plus / Background: Tolchik / iStock / Getty Images Plus
PERMISSION Used under Getty Images license

What is a topic sentence? A topic sentence is the most important sentence in a paragraph. Sometimes referred to as a focus sentence, the topic sentence helps organize the paragraph by summarizing the information in the paragraph. In formal writing, the topic sentence is usually the first sentence in a paragraph (although it doesn't have to be). Keep reading for the two main parts of a topic sentence as well as topic sentence examples in different subjects.

Topic Sentences and Controlling Ideas

Topic sentences introduce a paragraph and connect to an essay's thesis statement , which is the topic sentence of your entire essay . Every topic sentence has two parts: a topic (what the paragraph is about) and a controlling idea (the direction the paragraph will take). Take a look at these topic sentence examples in which the topic is bold and the controlling idea is in italics.

Cats are very good pets for several reasons .
Our school's dress code policy has many negative consequences for girls .
The world population is strongly impacted by a lack of access to water .

The topic tells your audience what the paragraph will be about and connects to the thesis. The controlling idea tells them how you will explain it in this particular paragraph.

Topic Sentence Examples

Now that you know the main parts of a topic sentence, take a look at how they look in different subjects. Note that each example includes both a topic and a controlling idea.

Topic Sentence : There are many reasons why pollution in ABC Town is the worst in the world.
The topic is "pollution in ABC Town is the worst in the world" and the controlling idea is "many reasons."
Topic Sentence : To be an effective CEO requires certain characteristics.
The topic is "To be an effective CEO" and the controlling idea is "certain characteristics."
Topic Sentence : There are many possible contributing factors to global warming.
The topic is "global warming" and the controlling idea is "contributing factors."
Topic Sentence : Fortune hunters encounter many difficulties when exploring a shipwreck.
The topic is "exploring a shipwreck" and the controlling idea is "many difficulties."
Topic Sentence : Dogs make wonderful pets because they help you to live longer.
The topic is "dogs make wonderful pets" and the controlling idea is "because they help you to live longer."
Topic Sentence : Crime in poverty-stricken areas occurs as a result of systemic discrimination.
The topic is "crime in poverty-stricken areas" and the controlling idea is "systemic discrimination."

Examples of Topic Sentences as Transitions

Skillful writers use topic sentences to both introduce their paragraph and to transition from the previous paragraph . Topic sentences as transitions help the essay feel smoother and more cohesive to the reader.

Examples of topic sentences as transitions include:

Another way to reduce teen pregnancy rates is improved education.
In addition to needing the correct tools, cooking requires a number of different skills.
While purchasing real estate can be a good investment, it is important to be ready before buying a house.
Likewise, graduating from high school is important for many different reasons.
Even though having a baby can be a joyful event, having a first child is difficult because of the significant adjustments in your life.
Because there are so many options out there, remodeling a kitchen requires research and a good eye.

Supporting Your Topic Sentence

Coming up with a strong topic sentence is one thing, but how do you support it? Using your topic sentence as a frame, you can then fill in the reasons or evidence you have outlined in your controlling idea. For example, a paragraph that supports a topic sentence might look like this:

Cats are very good pets for several reasons . They are naturally good caregivers because they take care of their kittens, so they want to take care of their owners as well. Cats are quite clean, and if you train them to use a litter box, they require almost no cleanup in their areas. Finally, cats are independent, so you don't need to worry about them being lonely when you're at school all day. They really are the ideal pet for almost any owner.

Notice how the writer provided three reasons to back up the phrase "several reasons" in the controlling idea. All three reasons related to the topic "cats are very good pets." Also, the last sentence in the paragraph connects directly back to the topic sentence (though you can also make this sentence a transition sentence into your next paragraph).

Staying on Topic

Remember that topic sentences set the tone for the paragraph and should relate back to the thesis or the main idea of the paper. A carefully thought-out topic sentence helps you, the author, to stay focused. It also gives readers the tools they need to clearly understand what you have to say. If you're ready to get started on your next writing assignment, learn how to create a five-paragraph essay outline that is sure to keep your writing organized.

Wait! Before you go, check this out!

We have lots more on the site to show you. You've only seen one page. Check out this post which is one of the most popular of all time.

Topic Sentences for Body Paragraphs: Examples and Explanation

An essay with the first sentence highlighted and the words "topic sentence"

A key to becoming a better writer is learning how to cover one main idea in each paragraph and write clearly—topic sentences can help you do that by focusing your writing.

Let’s look at what a topic sentence is, how to write a good topic sentence, and topic sentence examples.

What is a topic sentence in a paragraph?

A topic sentence is a sentence that introduces the main idea of the paragraph—it tells the reader what the paragraph is about in a clear and concise manner. It organizes an essay, engages the reader, provides a focus for the paragraph, and relates each paragraph back to the thesis.

A topic sentence is generally the first sentence in your body paragraph or at least at the beginning of the paragraph.

The topic sentence is the most important sentence because it organizes the paragraph by summarizing what you will discuss.

Topic sentences provide structure and organization to your essay—this is helpful for both the writer and the reader.

As the writer, writing your thesis statement and then making an outline of your topic sentences gives you a clear framework to work with. It makes it easier to write the essay and ensures that your essay is cohesive, well organized, and continually relates back to your thesis statement. It also helps you stay on topic and cover one idea per paragraph.

For the reader, having an essay that flows is more engaging. It makes it more coherent and cohesive. Topic sentences highlight the important information, which makes it easier to understand.

You have to build on your topic sentence. You make your claim in the topic sentence, which serves as a base to add your supporting details, evidence, and examples that strengthen your argument.

The purpose of a topic sentence is to provide a clear focus for your paragraph and preview what you will discuss in the paragraph.

Is the topic sentence always the first sentence?

In general, the topic sentence is the first sentence in the paragraph, but it does not have to be (though it is typically at the beginning of the paragraph). There are instances when the first sentence(s) may be a transition sentence or provide context about the topic, and the topic sentence is after .

The topic sentence is usually at the beginning to help the reader understand what the paragraph is about. However, a topic sentence can be in the middle or end of the paragraph (though this would be rare for body paragraphs).

It is the best practice to have your topic sentence be the first sentence in the paragraph.

Can a topic sentence be more than one sentence?

A topic sentence is traditionally one sentence—this is recommended to state your point clearly and concisely. However, a topic sentence can be 2 or 3 sentences long if you are explaining the claim.

If you decide you must make your topic sentence longer to express your main idea, make sure to edit and try to remain as concise as possible. Also, do not overly use multiple topic sentences, as this can make your essay lack focus or structure.

Topic sentences for paragraphs that are not a part of an essay

When writing a paragraph that is not a part of an essay, it is still a good idea to have a topic sentence. If you are answering a question, the topic sentence is the first sentence that restates part of the question and gives your answer.

From there, you use evidence from the text to expand on the answer, give supporting reasons, or provide examples.

What is a good topic sentence?

A good topic sentence is clear and concise. It is general enough to cover what the entire paragraph is about but specific enough to make it easy to understand the main idea of what will be discussed. It should relate back to the thesis or question and help maintain the flow of the essay.

To help the essay be cohesive, a good topic sentence should help transition from the previous paragraph and present a new idea.

How to write a topic sentence for a body paragraph

To write a topic sentence for a body paragraph, students should:

Write their thesis statement.
Outline their essay to determine what they will be talking about in each paragraph.
Identify the main idea of the paragraph and that it relates to the thesis.
Write a topic sentence general enough to cover what the whole paragraph is about but specific enough to make the main idea clear.
See if they can connect it to the previous paragraph with a transition.
Reread for clarity and edit.

Effective strategies for writing a topic sentence include that you pivot between ideas, make sure that you express the topic and what you will talk about in the paragraph, and use transition words—such as although, another example/way/argument, even though, in addition to, likewise, therefore, or however.

Make sure you then expand on the statement and give supporting details and reasons, examples, or sources.

Topic sentences for body paragraphs examples

Every topic sentence should state the main idea of the paragraph.

Let’s look at topic sentences that illustrate your point that you will expand on, provide transitions, compare and contrast topics, show cause and effect relationships, express counterclaims that you will proceed to address, or answer a question.

Example 1: Stating your claim

The most common example of a topic sentence is one that states your claim that you will then expand on.

These could look like:

The primary goal of a topic sentence is to express the main idea of the paragraph.
The outline method of note-taking is an easy and effective style.
Time management skills are important to a student’s success.

If you are writing an essay about the benefits of learning a new language, the paragraph that discusses the cognitive benefits could start with the topic sentence: “Learning a new language offers many cognitive benefits.”

If I only talk about the benefits of learning a new language on your memory, I would make my topic sentence more specific—”Learning a new language can improve a person’s memory.”

Example 2: Transitions

Topic sentences should transition between paragraphs whenever possible.

If your writing an opinion essay about why dogs make the best pets, and your previous paragraph said that they are good companions because they are loyal, your next paragraph could start with the topic sentence: “Another reason why dogs are good companions is that they are affectionate.”

Example 3: Compare and contrast topics

A topic sentence can also compare or contrast your previous point with the point you will cover in that paragraph.

For example: “While in-person classes offer better social interactions, online classes offer more flexibility.”

Example 4: Show cause and effect relationship

You can also show cause-and-effect relationships.

For example: “The unrealistic photos posted on social media lead to many teenagers having body image issues.”

Example 5: Introduce a counterclaim

A topic sentence can also introduce a counterclaim.

For example, if writing about why wooden pencils are better than mechanical pencils, your counterclaim paragraph could start: “Fans of mechanical pencils say they are more convenient to use because you do not have to sharpen them.”

Example 6: Answering a question

Let’s look at an example of a topic sentence that answers a question.

If you were studying Harry Potter and asked the question: “Why do you think some readers dislike Professor Umbridge even more than Voldemort?” then your answer could start with the topic sentence, “ I think Professor Umbridge is more disliked because she is a type of villain that readers can identify with. ” This clearly answers the question asked.

From there, you can continue your answer by giving examples of how most people can’t relate to dealing with a powerful mass murderer who killed their parents, but they can relate to the person who abuses their authority and hides behind bureaucracy.

You can also answer a question in a topic sentence in an essay if you end the previous paragraph with a question.

For example: if you write an essay on renewable energy sources, one paragraph may talk about the problem with fossil fuels and end by saying, “Once people understand the negative consequences of using fossil fuels, they have to ask—what are the alternatives?”

The next paragraph could start with: “One alternative to fossil fuels is solar energy, which is the most abundant renewable energy source available.” This answers that question and transitions into talking about what solar energy is.

Now that you know how to write a topic sentence and have seen topic sentences for body paragraphs examples, you are well on your way to becoming a better writer.

What are your chances of acceptance?

Calculate for all schools, your chance of acceptance.

Your chancing factors

Extracurriculars.

How to Write a Strong Topic Sentence + Examples

Do you know how to improve your profile for college applications.

See how your profile ranks among thousands of other students using CollegeVine. Calculate your chances at your dream schools and learn what areas you need to improve right now — it only takes 3 minutes and it's 100% free.

Show me what areas I need to improve

What’s Covered:

What Is a Topic Sentence?
5 Steps to Writing a Good Topic Sentence

Elements of a Good Topic Sentence

Common pitfalls to avoid.

Where To Get Your Essay Edited For Free

Crafting the perfect essay takes time and dedication. There are so many elements you have to worry about, such as tone, purpose, and correct spelling and grammar. Writing a strong topic sentences is another critical part in writing a cohesive essay.

Without a strong topic sentence, you risk losing your reader and perhaps part of your grade. If it’s a college admissions essay, then you need it to be as strong as possible to back up your application. Learn about what steps you should take to write a strong topic sentence.

What Is a Topic Sentence?

People often confuse a topic sentence with a thesis statement. A thesis statement is typically at the end of your opening paragraph, that dictates the main argument you’ll be making in your essay.

Throughout your essay, you’ll have multiple topic sentences, as each paragraph should start off with one. This beginning sentence is used to direct the topic of the paragraph and outline the flow of the following sentences. It’s used to help guide your reader and to continue to keep them hooked on your overall essay. Without topic sentences, your essay will be unorganized, lack transitions, and sound very choppy. To write a good topic sentence, there are several steps to take.

Writing a Good Topic Sentence: 5 Steps

Step 1: decide what you’re going to write about..

When you see the essay prompt, you’ll have some time to think through what you want to say and why. You have to decide if it’s a persuasive essay, informative, narrative, or descriptive. Determine your purpose for writing the essay after reading through the prompt. Whether it’s an assignment for school or if it’s to get into college, you need to make sure you have that purpose clearly outlined.

Step 2: Create a thesis statement.

One of the first things you need to do is create a thesis statement. This is typically a sentence with three points that you’ll back up throughout your essay.

For example: The Office became a cultural phenomenon because it spurred the careers of many of today’s successful movie stars, it talked about situations that most American workers can relate to, and even 15 years later, offers funny, relevant content that helps to break down prejudices.

You then use that thesis statement to create an essay around the points you want to make.

Step 3: Make your essay outline.

Once you have the points you want to make within your thesis statement hammered out, make an outline for your essay. This is where you’ll start to create your topic sentence for each paragraph. You want to clearly state the main idea of that paragraph in the very first sentence. From there, you back up that main idea with facts and reputable sources. Make sure your topic sentence is clear, but does not just announce your topic.

For example, do not write something like: “In this paragraph, I will discuss why it’s bad that poachers are killing giraffes.”

Instead, write something that clearly states your idea with a reasonable opinion and that gives direction to the paragraph: “Giraffes are a key part of the African ecosystem, so it’s important to enforce regulations against the poachers who are killing them for their body parts.”

You’d then follow that up with reasons why giraffes are a key part of the African ecosystem and how poachers are destroying their population.

Step 4: Begin writing your essay.

Once you have your thesis statement and you’ve created an outline with supporting paragraphs and their topic sentences, you can begin writing your essay. It’s important to make that outline before just jumping in–a disorganized essay can spell disaster for you as you continue to write, and could result in a poor grade. Many times, teachers will even require you to turn in your outline as part of your overall essay grade.

Step 5: Proofread and check your resources.

After you’ve written the essay, go back through it with a fine tooth comb. Read through each topic sentence and the paragraphs that follow to ensure that you’ve written clear, solid topic sentences throughout and that the paragraphs with them make sense. During the proofreading phase, you also need to recheck the sources you’re using. Make sure each source is reputable. In other words, do not use sites like Wikipedia where anyone can go in and edit an article to add misinformation. Use sites that:

Are actual reputable news sources, such as the New York Times , CNN, CBS News
Have domain names that end in .edu or .gov
Come from an encyclopedia, such as Encyclopedia Britannica

Using sites that are not reputable could jeopardize the validity of your argument.

Discover your chances at hundreds of schools

Our free chancing engine takes into account your history, background, test scores, and extracurricular activities to show you your real chances of admission—and how to improve them.

Now that you know the steps to set yourself up for success when writing a topic sentence, there are certain elements that go into a quality first sentence. Always make sure that your topic sentence is the first sentence of a paragraph. You don’t want to make your reader hunt for the point you’re trying to make. Check out some key elements of a good topic sentence:

Make sure your topic sentence isn’t too vague.

You need a topic sentence that has some specifics to it. It also needs to hook in your reader in some way with an opinion. A vague sentence makes it harder to write a paragraph that can clearly backs up your thoughts. For example:

DON’T: “In Pride and Prejudice, Mr. Bingley seems like a nice guy.”

DO: “When Mr. Bingley is first introduced, he comes across as a kind person because he speaks to everyone and doesn’t immediately pass judgment.”

Choose a reasonable opinion.

Your topic sentence should clearly outline whatever point you’re trying to make in the paragraph, but you want to pick a reasonable opinion that you can easily reinforce with facts and statistics. Here’s an example of what you should and should not do:

DON’T: “It’s obvious that Mr. Bingley was a total loser with no backbone.”

DO: “Mr. Bingley could have shown more confidence in his choices and stood up to Mr. Darcy when he found himself in love with Jane Bennet.”

You can then back that up with facts, saying that he was a wealthy Englishman and thus one of the key players in society at the time, which should have given him more confidence. If he’d been more confident, perhaps he would not have left and devastated Jane.

Use your topic sentence as a transition.

Along with telling the reader the point of your next paragraph, your topic sentence should also serve as a transition from the previous paragraph. Without a transition, the essay can feel like it’s choppy and disjointed. For example:

DON’T: “Mr. Bingley is a good man and here’s why.”

DO: “Although Mr. Bingley did break Jane’s heart by leaving, he ended up redeeming himself by returning to Netherfield Hall.”

Keep your topic sentence short.

A long, drawn-out topic sentence can risk losing your reader. Many times, it’s hard to determine the point of a sentence when it goes on for too long. You want a clear, concise sentence that draws in the reader but also leaves some room for you to expand on it in the following paragraph.

DON’T: “Throughout the novel of Pride and Prejudice, Mr. Bingley was often quite different from Mr. Darcy as he would treat all people in a friendly manner, considering them all his friends and acquaintances, even agreeing to throw a ball after Elizabeth’s sisters rudely demanded he do so and was gracious to Mr. and Mrs. Bennet as well despite their manners.”

DO: “Overall, Mr. Bingley served as a foil to Mr. Darcy throughout the story by treating everyone around him equally with dignity and grace.”

Writing an essay can be overwhelming at times, but so long as you avoid some of these common pitfalls, it can be easier to get it done on time.

Don’t wait until the last minute.

If your teacher assigns you an essay or tells you that you have an essay test coming up, don’t wait until the day before to do anything about it. You have to plan or study and you need to give yourself time to do that. If you know it takes you a while to write something, then start planning it as soon as you get the assignment.

Don’t forget to write an outline.

Along with planning, make sure you have that outline written up and planned out well. It will serve as your guideline for writing the essay. Without it, you’ll face the risk of a disorganized essay that does not clearly illustrate your point.

Ask for help if you need it.

This may be the most important pitfall to avoid. If you get in over your head while writing, don’t be afraid to ask for help. Ask a friend to review the essay or ask your teacher for guidance.

Where to Get Your Essay Edited for Free

Once you’ve finished your essay, you may want additional input. There are tools out there to help, but CollegeVine’s free peer essay review tool can provide you with actionable feedback from students just like you. CollegeVine’s tool has helped many students and may be able to help you, too! Asking for peer feedback can help to refine your essay and it never hurts to have an extra set of eyes read through what you’ve written. Check out the free tool today!

Paragraphs: Topic Sentences

Topic sentences video playlist.

Note that these videos were created while APA 6 was the style guide edition in use. There may be some examples of writing that have not been updated to APA 7 guidelines.

Academic Paragraphs: Introduction to Paragraphs and the MEAL Plan (video transcript)
Academic Paragraphs: Examples of the MEAL Plan (video transcript)

The best way to understand the role of the topic sentence in paragraph development is to imagine that any given paragraph is a miniature essay that has its own thesis, support, and conclusion. The parts of a paragraph easily correspond to the parts of an essay:

Just as an effective essay starts off with an introduction that presents the paper's thesis statement and indicates the specific claim or argument that the essay will develop, each paragraph should begin with a topic sentence that indicates the focus of that paragraph, alerting the reader to the particular subtopic that the paragraph will provide evidence to support.

A strong topic sentence should be placed at or near the beginning of a paragraph. In addition, this sentence should focus on a specific issue, avoid the use of direct quotations, and leave room for support and analysis within the body of the paragraph. Read on to learn more about creating an effective topic sentence.

The topic sentence does not have to be the first sentence in the paragraph; however, it should come early in the paragraph in order to orient the reader to the paragraph's focus right away. Occasionally a writer may place a transition sentence before the topic sentence, to create continuity between topics.

Topic Sentence to begin paragraph:

In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness.

Transition Sentence + Topic Sentence to begin paragraph:

However, Morrison does not only use the emotional and spiritual bonds between her female characters to initiate their coming-of-age. In addition, the author uses the physical bonds of female friendship to propel her adolescent protagonists into self-awareness.

Specificity

Your topic sentence should be more narrowly focused than your thesis sentence, and you will want to make sure the claim you are making can be supported, argued, and analyzed within the body of your paragraph.

Example: In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness.

In this topic sentence, the essayist is arguing that physical bonds of friendship, specifically, make the female characters more self-aware. Because this idea can be refuted or supported by readers (based on how successfully the essayist persuades his or her readers with examples and analysis from the novel), and because the claim is narrow enough to address within a single paragraph, the above sentence is a successful topic sentence.

Direct Quotations (Are Best Avoided)

Although it might be tempting to begin a paragraph with a compelling quotation, as a general rule, topic sentences should state the main idea of the paragraph in your own words. Direct quotations have a place later in the paragraph, where they may be incorporated to support the topic sentence.

Needs Improvement: As Morrison (1982) conveyed, the girls' "friendship let them use each other to grow on…they found in each other's eyes the intimacy they were looking for" (p. 52).

Better: In the novel Sula , Morrison uses the physical bonds of female friendship to propel her characters into self-awareness. Pointing to the connection of eyes meeting and bodies growing together, Morrison makes coming-of-age an interactive physical process between the adolescent protagonists. Specifically, Morrison describes how Sula and Nel have used "each other to grow on…they found in each other's eyes the intimacy they were looking for" (p. 52).

In this second paragraph, the topic sentence appears first, immediately orienting readers to the main focus (or topic) of the paragraph. The quotation is used later in the paragraph as a form of evidence or support for the topic sentence.

If you are finding it challenging to create effective topic sentences, you might consider outlining before beginning to write a paper. The points and subpoints of an outline can then become the topic sentences for the paper's paragraphs.

Additionally, because the topic sentence functions similarly at the paragraph level to the thesis at the essay level, you may also find it helpful to check out our thesis statement construction information. Our resource on paragraphs has helpful information about the scope of a paragraph, as well.

Related Resources

Previous Page: Length and Scope
Next Page: Organization (MEAL Plan)
Office of Student Disability Services

Walden Resources

Departments.

Academic Residencies
Academic Skills
Career Planning and Development
Customer Care Team
Field Experience
Military Services
Student Success Advising
Writing Skills

Centers and Offices

Center for Social Change
Office of Academic Support and Instructional Services
Office of Degree Acceleration
Office of Research and Doctoral Services
Office of Student Affairs

Student Resources

Doctoral Writing Assessment
Form & Style Review
Quick Answers
ScholarWorks
SKIL Courses and Workshops
Walden Bookstore
Walden Catalog & Student Handbook
Student Safety/Title IX
Legal & Consumer Information
Website Terms and Conditions
Cookie Policy
Accessibility
Accreditation
State Authorization
Net Price Calculator
Cost of Attendance
Contact Walden