Designed for learners at post-elementary level, the book practices and revises English grammar structures systematically and can be used to supplement any main course at post-elementary 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 Error correction exercises Oral and writing activities Revision units Full key to the exercises in the Student’s Book