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动词过去式和过去分词的变化规则 动词过去式和过去分词有规则变化和不规则变化两种. 1) 规则变化 情况 例词 读音与说明 动词原形 过去式 过去分词 一般在动词原形后加-ed look call open need looked called opened needed looked [lukt] called [kC:ld] opened [5EupEnd] needed [ni:did] ①-ed在清辅音音素后 发音为〔t〕,在浊辅音后发音为〔d〕,在元音后发音也为[d] ②-ed在〔t]、〔d〕 后发音为[id] ③但fix的过去式和过去 分词x不双写,为fixed. 以-e结尾的动词加-d move phone hope agree moved phoned hoped agreed moved [mu:vd] phoned [fEund] hoped [hEupt] agreed [E5^ri:d] 以辅音字母加y结尾的动词,变y为i, 再加-ed study carry try studied studied carried studied [5stQdid] carried [5kArid] tried [traid] 以原音字母加y结尾的词,直接加-ed play enjoy stay played enjoyed stayed played [pleid] enjoyed [in5dVCid] stayed [steid] 末尾只有一个辅音字母的重读闭音节词,双写该辅音字母,再加-ed stop plan fit stopped planned fitted stopped [stCpt] planned [plAnd] fitted [5fitid] 以-r音节结尾的词,双写r字母, 再加-ed prefer refer preferred referred preferred [prI`f:d] referred [ri5fE:] |
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