This document discusses the passive voice in English and Indonesian. It provides 16 structures for forming the passive voice and examples of their use in positive, negative, and interrogative sentences. The passive voice constructions involve using some form of "be" plus the past participle of the main verb. In Indonesian, the passive is formed using the prefixes "di-" or "ter-". The document concludes that the first auxiliary verb is crucial and can change based on whether the sentence is positive, negative, or interrogative.