<ul><li>invaluable for students on university and teacher-training courses</li><li>checks your knowledge of how English is actually used in speech and writing</li><li>shows how grammar differs in different contexts of registers</li><li>provides practice with relationships between grammar and vocabulary</li><li>all examples taken from naturally occurring English texts and conversations</li><li>comparisons between British English and American English</li><li>spoken and written extracts throughout</li><li>full answer key</li></ul>