This document discusses writing paragraphs and adjective clauses. It defines a paragraph as a group of sentences that includes a topic sentence, supporting details, and a concluding sentence. A paragraph can be as long as needed, typically 3-5 sentences. It then defines an adjective as a word that describes a noun, a clause as a part of a sentence with a subject and verb, and an adjective clause as a clause that describes a noun. Relative pronouns are used to begin adjective clauses and substitute for nouns. Examples of adjective clauses using relative pronouns like who, whose, where, when, which, and that are provided.