This document provides a summary of English grammar including parts of speech and sentence structure. It explains the basic components of words such as stems and inflections. It also outlines the key parts of a sentence including subjects, predicates, objects, complements and clauses. Finally, it defines the main parts of speech - nouns, verbs, adjectives, adverbs, prepositions, pronouns and conjunctions. The document is intended as a basic introduction to English grammar.