What is a topic sentence?
Since I do not know what grade you are in, here are two sites on Topic Sentences. The first is for beginning paragraph writers and gives a very simple explanation and examples. The second is for secondary students. If you have further questions, please repost.
http://www.geocities.com/fifth_grade_tpes/longfellow.html
http://www.arts.uottawa.ca/writcent/hypergrammar/partopic.html
A topic sentence is a sentence that states the main idea or purpose of a paragraph. It acts as a roadmap for the rest of the paragraph, telling the reader what to expect and providing a clear focus.
To understand what a topic sentence is, you can start by reading the examples and explanations provided in the two websites given. The first website is designed for beginning paragraph writers and offers a simple explanation and examples of topic sentences. The second website is more advanced, intended for secondary students who want a deeper understanding of topic sentences and how to construct them.
By visiting these websites and reading the information provided, you will gain a better understanding of what a topic sentence is and how it functions within a paragraph.