Grammar greatness - with simple rules, exercises, and quizzes. Mastering English grammar has never been easier. The Perfect English Grammar Workbook is a complete explanation of standard American English and an irreplaceable resource for students, ESL learners, and anyone else who’s serious about mistake-free speaking and writing. From punctuation and prepositions to adverbs and abbreviations, this grammar workbook provides simple and straightforward guides to every part of English grammar. With classroom-style lessons you can practice your skills with dozens of helpful exercises. Afterwards, check your progress with comprehensive end-of-chapter quizzes.