Fully conjugated in all the tenses in an easy - to - learn format alphabetically arranged Learning English is Twice as Easy with This Helpful 2-in-1 Combination! The easy -to - use reference book givey you: - The 501 most commo English verbs, alphabetically arranged, and conjugated in all tenses an moods - Principal parts listed for all 501 verbs - Auxiliary verbs - have, be, do - and their uses - Common examples of phrasal verbs - 550 problem verbs and their principal parts - 501 Verb Drills and Exercises - Index to the verbs, including irregular forms The bonus CD-ROM gives you: - Practice exercises in verb conjugation with answers - A review of English grammar A valuable quick-reference source for ESL students and all students of English grammar