Biography Introduction Sentence For Essay

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). 

Purpose of the Topic Sentence

A topic sentence essentially tells readers what the rest of the paragraph is about. All sentences after it have to give more information about that sentence, prove it by offering facts about it, or describe it in more detail. For example, if the topic sentence concerns the types of endangered species that live in the ocean, then every sentence after that needs to expound on that subject. 

Topic sentences also need to relate back to the thesis of the essay. The thesis statement is like a road map that will tell the reader or listener where you are going with this information or how you are treating it. 

Topic Sentences and Controlling Ideas

Every topic sentence will have a topic and a controlling idea. The controlling idea shows the direction the paragraph will take.

Here are some examples:

  • 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 a systemic discrimination. 
  • The topic is "crime in poverty stricken areas" and the controlling idea is "systemic discrimination." 

 

  • Topic Sentence: Teen pregnancy may be prevented by improved education.
  • The topic is "teen pregnancy may be prevented" and the controlling idea is "improved education."

 

  • Topic Sentence: Cooking requires a number of different skills.
  • The topic is "cooking" and the controlling idea is "many different skills."

 

  • Topic Sentence: It is important to be ready before buying a house.
  • The topic is "buying a house" and the controlling idea is it's "important to be ready." 

 

  • Topic Sentence: Graduating from high school is important for many different reasons.
  • The topic is "graduating from high school" and the controlling idea is "many different reasons."

 

  • Topic Sentence: Having a first child is difficult because of the significant adjustments in your life. 
  • The topic is "having a first child" and the controlling idea is "significant adjustments in your life."

 

  • Topic Sentence: Remodeling a kitchen successfully requires research and a good eye. 
  • The topic is "remodeling a kitchen" and the controlling idea is "requires research and a good eye." 

A carefully thought out topic sentence has two functions. First, it helps you, the author, to stay focused. Second, a clearly stated topic and controlling idea will give readers the tools they need to clearly understand what you have to say.

Remember that topic sentences set the tone for the paragraph and should relate back to the thesis or the main idea of the paper.

Do you have a good example to share? Add your example here.

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Examples of Topic Sentences

By YourDictionary

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). 

These sentence starters and connectives will ensure that you get biographies from your students that are interesting and differ from each others. Print them out as is and give one to each of your students for their books or enlarge them to use as posters around your room.

* The time came for…

* Soon afterwards…

* Shortly after this…

* As a teenager he/she…

* At a young age…

* During his/her early years…

* As a child…

* Many years later…

* Even though…

* His/her lasting legacy is that…

* His/her life was…

* His/her greatest achievement was…

* He/she will be remembered most for…

* In spite of…

* Despite the fact that…

* Although…

* Strangely…

* One of the interesting things about…

* As it happened…

* Either by chance or design…

* In his/her final years…

* Towards the end of his/her life…

* In his/her later years…

* In 1987, at the age of …. he/she…

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