How To Write A Good Argumentative Topic Sentence. If you are writing an argumentative essay, you should use this type of topic sentence to claim your main idea. Its purpose is to persuade the reader to agree with the argument being made.

Argumentative essays as a type of academic paper often contain factual and statistical data. How to write a topic sentence in 6 steps. Write a sentence that connects to your main idea with a what and a why.


