A self-study reference and practice book for learners at upper-intermediate level. "Grammarway 4" is the fourth book in a four-level grammar series in full colour. Designed for learners at upper-intermediate level, the book presents and practices English grammar structures systematically and can be used to supplement any main course at upper-intermediate level. Key Features: clear, simple presentation of grammar structures through functional examples and attractive photographs and illustrations; comprehensive theory boxes; a variety of exercises with spaces for filling in answers; exercises designed to help the learner use appropriate language patterns in everyday situations; colourful photographs and illustrations; common mistakes section; error correction exercises; word-formation exercises; oral and writing activities; a revision box in each unit; revision units; progress tests; full key to the exercises in the Student's Book.