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动词过去式的变化规则 ①一般情况下,直接加ed work——worked look——looked walk——walked ②以e结尾的单词,直接加d live——lived hope——hoped use——used ③以辅音字母+y结尾的,变y为i加ed study——studied carry——carried ④以元音字母+y结尾的,直接加ed enjoy——enjoyed play——played ⑤以重读、一个辅音字母结尾的闭音节结尾的动词,双写最后的辅音字母+ed stop——stopped plan——planned prefer——preferred (责任编辑:admin) |