This document provides an overview of English grammar, including the eight parts of speech and their definitions: noun, pronoun, adjective, adverb, verb, preposition, conjunction, and interjection. It also covers verb tenses, sentence structures, active and passive voice, direct and indirect speech, modal verbs, and gerunds and infinitives. The purpose is to explain the basic rules and concepts of English grammar to support correct written and spoken communication in the language.