Designed for intermediate and advanced students, Essential English Grammar combines reference-style grammar explanations with focused practice activities. A full range of grammar topics presented in 90 units covering the basic parts of a sentence as well as the complete sentence makes Essential English Grammar the perfect tool for either self-study or classroom use. Features Student BookEasy-to-follow explanations and examples Activities designed to build and reinforce new knowledgeDiagrams, illustrations, and example sentences to fully communicate the form and usage of each grammar point Complete answer key to allow self-correction and chart individual progressWorkbook Additional practice and support to aid in mastering each grammar topic Brief explanations of the grammar points for students working primarily with the workbook Review tests designed to emulate the format of an actual TOEIC Complete answer key at the end of the book - from Amzon