This unique reference and practice grammar is based entirely on real spoken and written language. It analyses why people choose certain structures in situations and the effect of those choices on meaning, Exploring Grammar in Context upper intermediate and advanced: provides 25 units focusing on key grammar areas for language teachers and students, actively engages the reader in discovering patterns of grammar use, offers an extensive, varied range of practice exercises to check understanding, is based on real life examples from the Cambridge International Corpus, a computerised database of contemporary spoken and written English, emphasises spoken English with examples from the Cambridge and Nottingham Corpus of Discourse English (CANCODE), has a full answer key with detailed explanations, a useful glossary of grammar terms and a set of supporting grammar reference notes.