This document defines and explains relative clauses and relative pronouns. It provides examples of different types of relative pronouns that can be used including who/that for people, which/that for objects, where for places, why for reasons, when for time, whose for possession, and whom for the object of a preposition. It discusses when relative pronouns can be omitted and common mistakes to avoid when using relative pronouns. Finally, it provides exercises translating sentences into English using relative pronouns correctly.