A Communicative Grammar of English by Geoffrey Leech and Jan Svartvik, first published in 1975, has established itself as a grammar innovative in approach, reliable in coverage, and clear in its explanations. It is one of the best books on grammar ever written and still provides an up-to-date and accessible resource for teachers, advanced learners and undergraduate students of English.
A Communicative Grammar of English employs a communicative rather than a structural approach to the learning of English grammar. This edition is divided into three parts. Part One: Varieties of English , looks at the way English grammar varies in different types of English, for example 'formal' and 'informal', 'spoken' and 'written'. Part Two: Intonation. Part Three: Grammar in use - the central and largest part of the book, presents grammar through the eyes of the communicator and focuses on the uses of grammar rather than on grammatical structure. Part Four: Grammatical Compendium - provides a useful and alphabetically arranged guide to English grammar.