The document discusses the passive voice in English. It begins by providing an example of active versus passive voice. It then explains the basic structure of the passive voice using a subject, passive verb, and agent. It also lists the different passive tenses. The document provides guidance on when to omit the agent and how to transform sentences from active to passive voice. It discusses special cases like verbs with two objects and the passive with reporting verbs. Finally, it covers the constructions "have something done" and "get something done".