Final -ed Inside This Chapter Begin here to navigate through each section. Pretest Your Writing: Narrating a Memorable First Event Recognizing Final -ed Using the Final -ed in the Simple Past Tense Using the Final -ed in the Perfect Tenses Using the Final -ed in the Passive Voice Using the Final -ed in Past Participles that Act as Modifiers Avoiding Incorrect -ed Endings Review & Practice Part 1 & Part 2 Fun With Grammar: Ladle Rat Rotten Hut Return to Your Writing Mastery Test on Final -ed Both the simple past and the past participle forms of regular verbs end in -ed. When you speak, you might be in the habit of dropping this ending. In writing, however, you must use standard English verb forms. If you omit a final -ed when writing a simple past or past participle form of a regular verb, you make it hard for a reader to follow your thought. Chapter 10 will help you to: recognize and use -ed endings in the simple past tense and in past participles. avoid incorrect uses of final -ed.