Final -ed: Simple Past Tense The simple past tense expresses past action through a one-word verb. Although irregular verbs have unpredictable spellings for their simple past forms, every regular verb in the simple past tense ends in -ed. Einstein dreaded the development of the atomic bomb, although he recognized that his work made it inevitable. Application 3 Application 4

CONTENTS MAIN PAGE 10.1 Pretest 10.2 Your Writing 10.3 Recognizing Final -ed 10.4 Simple Past Tense 10.5 Perfect Tenses 10.6 Passive Voices 10.7 Past Participles that Act as Modifiers 10.8 Avoiding Incorrect -ed Endings 10.9 Review & Practice Part 1 10.9 Review & Practice Part 2 10.10 Fun With Grammar 10.11 Return to Your Writing 10.12 Mastery Test