Active vs. passive voice Part II

This document provides information on active and passive voice across different tenses in English grammar. It includes: 1. Examples of active and passive voice constructions in simple present, present continuous, present perfect, past, past continuous, past perfect, future, and future perfect tenses. 2. Tips for forming passive voice when the active voice includes imperatives, helping verbs, questions, direct/indirect objects, and object complements. 3. Mentions cases where passive voice cannot be formed or where "by" is not used, such as certain continuous and perfect tenses, intransitive verbs, gerunds, infinitives, and impersonal constructions.