This document discusses the grammatical system of language according to various scholars. It defines grammar as the rules for arranging words into sentences to communicate ideas. It presents Nunan's organic approach to teaching grammar, which emphasizes allowing students choices in language, balancing authentic and non-authentic texts, making form-function relationships clear, and encouraging active exploration of grammar structures. Both inductive and deductive approaches to teaching grammar are discussed, along with their advantages and disadvantages. The document also provides guidance on effectively presenting grammar concepts and incorporating the three dimensions of form, function, and use.