规则动词的过去式和过去分词的构成规则: ①.一般情况下词尾加-ed, 如: worked, wanted, opened, answered, played, obeyed ②.以不发音的-e结尾的词在词尾加-d, 如: hope –hoped, like –liked; ③.以辅音字母+y结尾的, 将y变为i, 再加–ed, 如: study –studied, try –tried; ④.以重读闭音节或-r音节结尾, 末尾只有一个辅音字母的, 双写末尾的辅音字母, 再加-ed, 如: stop –stopped, clap -clapped, plan-planned, refer-referred, admit –admitted, permit –permitted ⑤.少数双音节动词, 尽管重音在第一个音节, 仍双写末尾的辅音字母, 然后再加-ed, 如: travel –traveled, program –programmed, 但美式英语不双写辅音字母 查看更多

 

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