run过去式(book的过去式)

run的过去式是什么 规则动词的过去式由“动词原形+-ed”构成，具体变化有： run过去式(book的过去式) 1. 直接在词尾加-ed。如: want—wanted, work—worked, need—needed, clean—cleaned 2. 以不发音的e结尾的在词尾加-d。如：like—liked, live—lived, use—used, move—moved 3....