It is the first sentence at the beginning of each paragraph.
It makes a claim that other people may dispute, challenge, or oppose.
It is a question in response to the writing assignment.
It is a road map for a paper; it tells the reader what the paper will focus on.
It is a simple statement of fact.
The Yankee Doodle Restaurant has great food, atmosphere, and low prices.
The Yankee Doodle Restaurant is a great place to eat, because the staff is friendly, the food is delicious, and the atmosphere is relaxing.
The Yankee Doodle Restaurant is a great place to eat.
Usually needs to be two or three sentences so that the main idea of your paper is clearly stated.
Is found at the beginning of each paragraph.
Is the first sentence of your conclusion.
Is found in the introduction.
In the title
In the introduction
At the beginning of each body paragraph
In the thesis statement
Here's an interesting quiz for you.