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共4个回答
热心网友
buy 的过去式是 bought
fly 的过去式是 flew
这些都是不规则变化
一般以辅音字母加y结尾的动词,去y加ied,
例子:tried; studied; justified; copied; carried; cried
注:不规则动词的过去式变化规律性不强,须多加记忆
例子: go - went; make - made; buy - bought; come - came; fly-flew
热心网友
buy ------> bought
过去式
fly ------> flew(一般不用flied)
热心网友
buy的过去式是bought.
fly的过去式是flew.
热心网友
bought
flied