不可以,情态动词后面的动词都必须是原形,所以不能加过去完成时.但是有一种情况很像,如：should have had ,但是这种情况下的动词had其实是受have的影响才变成这样的
情态动词后能加过去完成时 如 would had done 如果只存在 would have done 是不是had受情
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情态动词后能加过去完成时 如 would had done 如果只存在 would have done 是不是had受情
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should have done 与would have done有区别吗?有would/should had done
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用if had done 主语would have done造句
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if sb had done ,sb would have done造句
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如果虚拟语气是过去if就应该加had done,但是如果那个done是had呢?是不是只用一个?
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根据虚拟语气用法If sb. had done sth., sb. would have done. 为什么would
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虚拟语气与过去事实相反问题到底是would have done 还是 had done 比如i wish that he
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If I would have had more time, I would have done it far bett
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虚拟语气中had done与would have done,did与would do 的用法有何区别
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关于英语情态动词would rather have done need not have done各表示什么意义?请造句