The document provides instructions on how to write a paragraph. It explains that a paragraph contains a topic sentence that states the main idea, supporting sentences that develop and explain the topic sentence, and a concluding sentence that summarizes the main points. It includes examples of topic sentences and exercises for identifying topics, controlling ideas, and matching sentences to paragraphs. The exercises guide the reader in understanding how to identify and write effective topic, supporting, and concluding sentences to create a well-structured paragraph.