shall have done和would have done在虚拟语气句中是什么意思?

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shallhavedone和wouldhavedone在虚拟语气句中是什么意思?shallhavedone和wouldhavedone在虚拟语气句中是什么意思?shallhavedone和wouldh

shall have done和would have done在虚拟语气句中是什么意思?
shall have done和would have done在虚拟语气句中是什么意思?

shall have done和would have done在虚拟语气句中是什么意思?
应该是should have done吧~
should have done 是本应该要做,但没有做
would have done 是对将来的虚拟

shall have done和would have done在虚拟语气句中是“本该做但没做某事”

shall have done应该做某事
would have done会做某事

应做和会做