The Collins COBUILD Active Grammar offers intermediate learners of English a quick and easy-to-use reference guide to the most important points in English Grammar. English, the Collins COBUILD Active Grammar contains easy-to-understand explanations of the important points of English grammar. Warning notes occur throughout the text, giving learners invaluable help with potential problems in English. Supplements to the text include irregular verb tables, and a detailed glossary of grammatical terms. Ideal for the intermediate learner of English as a handy reference work, the Collins COBUILD Active Grammar offers in-depth guidance on the key areas of English grammar.