This document provides an overview of adjective clauses. It defines an adjective clause as a dependent clause that modifies or gives more information about a noun. It discusses the formula for adjective clauses, which includes a relative pronoun followed by a subject and verb. It also explains the functions of different relative pronouns like who, whom, whose, which, and that when used in adjective clauses. Finally, it provides examples of adjective clauses using these relative pronouns.