The document discusses the passive voice in English. It notes that the passive voice allows actions or states to be emphasized, without focusing on the subject performing the action. It also discusses how the passive voice is used to describe completed actions or states. While the passive voice of processes is used, the passive voice is not commonly used in everyday language and is more common in official or news writing. The document then provides examples of forming the passive voice across tenses and with modal verbs. It explains how active sentences are transformed into passive sentences by making the object the subject and using forms of "to be" plus the past participle. When the agent is included, it is introduced by "by". Finally, it provides examples of transforming active