This document provides an overview of grammar and lexis. It defines grammar as how parts of words, words, and word groups are organized and changed to create meaning. It then lists and describes the main grammatical forms - nouns, verbs, adjectives, adverbs, determiners, prepositions, pronouns, conjunctions, and exclamations. It explains the functions of these parts of speech, such as nouns naming people and things, verbs showing actions, and adjectives providing descriptions. The document also defines lexis as individual words and word sets, and describes different types of word meanings including literal meaning, meaning from affixes or compounds, collocations, idioms, antonyms, and