Fully updated and revised, this fourth edition of Halliday's Introduction to Functional Grammar explains the principles of systemic functional grammar, enabling the reader to understand and apply them in any context. Halliday's innovative approach of engaging with grammar through discourse has become a worldwide phenomenon in linguistics.

Updates to the new edition include:

• Recent uses of systemic functional linguistics to provide further guidance for students, scholars and researchers
• More on the ecology of grammar, illustrating how each major system...