This document provides an overview of adjective clauses for students. It defines adjective clauses and discusses the different relative pronouns used to introduce them such as who, whom, whose, which, and that. It explains how these pronouns are used based on whether the antecedent refers to a person or thing. The document also covers adjective clauses with prepositions, restrictive and nonrestrictive clauses, and techniques for reducing adjective clauses. Examples are provided throughout to illustrate the various concepts and rules regarding adjective clauses.