This new edition of the Collins COBUILD English Grammar is a modern, global and learner-focussed grammar reference, aimed at learners and teachers of English. Collins COBUILD English Grammar is based on the evidence of the 4.5-billion-word Collins Corpus, and is an invaluable guide to the English language as it is written and spoken today, in all areas of the world. It has been thoroughly updated, to take into account significant changes in grammar over recent years. With a user-friendly style and simple explanations, the Collins COBUILD English Grammar provides a comprehensive and authoritative guide to modern English grammar, using grammar terms that learners will understand. Notes on the various situations in which certain grammar points typically appear, authentic examples, and information on the key differences between British and American grammar, make the Collins COBUILD English Grammar the only fully-updated and truly global English grammar available. The title also includes two supplements that focus on the main contexts in which English is used around the world: academic and business English. These supplements identify the key areas of grammar that students need to master if they are to communicate effectively in business and academic contexts. This new edition is also accompanied by a series of engaging blogs and guided worksheets that aim to encourage learners and teachers of English to explore and discuss the teaching and learning of grammar.