摘要：例子 play-played live-lived study-studied stop-stoppes 动 词 clean watch visit answer adk hope arrive use carry worry try plan fit 小结 答案:cleaned.watched.visited.answered.asked hoped.arrived.used carded.worried.tried(以辅音字母+y结尾的.先把y改为i.再加ed) planned.fitted(末尾只有一个辅音字母的重读闭音节词.先双写这个字母.再加ed)

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