Examples of topic sentences. Here are examples of topic sentences with a main idea listed to help you see how the topic sentence supports the main point of a piece of writing: Example 1: Main idea: President James Polk expanded the physical land of the United States during his presidency. Step 1. Decide on a controlling idea and create a topic sentence. Paragraph development begins with the formulation of the controlling idea. This idea directs the paragraph's development. Often, the controlling idea of a paragraph will appear in the form of a topic sentence. I. Double underline the topic and underline the controlling idea in each of the following topic sentence. 1. College students take many kinds of tests. 2. Good roommates have four characteristics. 3. Small cars have several advantages. 4. A baseball player must master several skills. In the topic sentences provided in the other examples on the previous page, the controlling ideas are: The subjection of children to forced labour through trafficking has age and gender dimensions. The ILO alone cannot respond to all the recommendations of the Commission's report. Vay Tiền Nhanh Ggads.

topic sentence and controlling idea examples