One of the more challenging aspects of English for learners of the language is mastering the verb tenses. This book contains 50 exercises to practice all of those tricky verb tenses that English speakers like use. It also includes a number of exercises which cover some related structures, like 'used to' vs. 'still', gerunds vs. infinitives, conditionals, the causative, phrasal verbs, 'make' vs. 'do', and the passive voice. Answer sheets are included for all exercises. This book will probably be most useful to teachers who are looking for some extra exercises to give their students, but is also suitable for self-study.