This document discusses the active and passive voice in English grammar. It explains that the active voice emphasizes the subject or "doer" of the action, while the passive voice emphasizes the recipient of the action. It provides examples of sentences in the active voice and their transformed counterparts in the passive voice. It also discusses how to form sentences in various tenses, like simple present, present continuous, present perfect, and more. Finally, it lists some online games that can help practice forming sentences in the passive voice.