Collins English Grammar & Practice. Elementary

Collins Cobuild "Elementary English Grammar & Practice" is a reference and practice book for pre-intermediate learners of English. Suitable for study at home and in the classroom, it covers all the grammar points needed for a firm foundation for future learning. All of the most important English grammar points explained in clear and simple language, with warning notes to help you avoid potential problems; Two-page units with grammar explanations on left-hand pages and exercises on the right; Extra exercises at the back of the book help you put grammar into practice; Hundreds of examples from the Collins corpus show how the grammar points work in real English; Illustrations help explain key grammar points.