问题描述：
had been done had done区别
if i hadn't been tired ,i would have gone to the party.主语是人,为什么要用被动语态呢?如果这么说对吗：if i had tired,i would have gone to the party.
if i hadn't been tired ,i would have gone to the party.主语是人,为什么要用被动语态呢?如果这么说对吗：if i had tired,i would have gone to the party.
问题解答：
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