had have was were 怎么用
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hadhavewaswere怎么用hadhavewaswere怎么用hadhavewaswere怎么用havehadhad现在时,过去式,be(is/are)waswere是现在时过去式单数复数
had have was were 怎么用
had have was were 怎么用
had have was were 怎么用
have had had 现在时,过去式,
be(is/are) was were 是 现在时 过去式
单数 复数