Do you know:What an adverbial clause is?What a modal verb does?When to use a semi-colon?The Pocket Guide to English Language is a handy reference guide to English grammar for anybody who feels unsure about questions like these. Written in a clear and accessible style, the Pocket Guide also includes sections on punctuation, word formation and the many varieties of English. Each grammatical term is illustrated by lively and relevant quotations from literature and the media.