Sentences may contain many different types of clauses. Defining clauses, also called restrictive clauses, serve an important function. What role do they play in sentences and how does it relate to the name of these clauses?
First, let’s lay some groundwork. A subject, verb, and a relative pronoun (who, whose, where, when, which, or that) distinguish relative clauses from other types of clauses, though not all three are needed.