Irregular Verbs: Past Forms and Participles
先写下记得的内容，再查看解释。不要填写个人信息。
查看解释
Regular verbs form both their simple past and past participle with an added -ed ending, which keeps the word shape predictable. Irregular verbs alter their vowels, change their final consonants, or remain unchanged across forms. Knowing the grammatical environment helps you pick the right form without guessing.
Daniel drove the delivery van to the north warehouse yesterday.