What is a topic sentence?

I am used for dialogues.

Sing a song!

Spin around yourself for 30 seconds!

The structure of a paragraph consists of

A good topic sentence gives a reader an idea of what to expect from the paragraph. Is it TRUE or FALSE?

Find the topic sentence: The peacock is the national bird of India. They've colourful feathers, two legs and a small beak. They are famous for their dance. When a peacock dances it spreads its feathers like a fan. We can see them in a zoo.

What is missing: My friend name is Adam he is very generous he gives his lunch to schoolmates that don't have anything to eat when classmates need paper he gives them without hesitating 

The purpose of a paragraph is to express a speaker’s thoughts on a particular point in a clear way.

Arrange it in a proper sequence:5)Mention information & ideas about the topic 2)Decide the main topic 4)Write a topic sentence 1)Write a concluding sentence 3)Fill in supporting details

I am used at the end of a sentence.

How many parts are there in the paragraph?

Basics of Paragraph Writing . , ! : ; ? -