The following topic sentences have controlling ideas. Click on the underlined segment of the topic sentence that contains the controlling idea.

Write a topic sentencethumb sentence, Develop the topic sentence."the controlling idea."Examine how the sentences function as a group.Write a concluding sentence. Students always seem to want to ...

There are two parts to his topic sentence. “Clouds have 2 effects.” The first part tells us the subject: the subject is ‘clouds’. The second part tells us the controlling idea.