This document provides an overview of the main parts of speech in English grammar: nouns, verbs, pronouns, adjectives, adverbs, prepositions, conjunctions, and interjections. It defines each part of speech and provides examples. Key types of each part of speech are defined, such as different types of nouns, verbs, adjectives and adverbs. Common prepositions and conjunctions are listed. The document was created by Kunal Aggarwal and Himanshu Chauhan.