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He_you more help even though he was very busy.

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/16 20:37:41
He_you more help even though he was very busy.
A,might have given
B.might give
C.may have given
D.may give
想问问这道题为什么选A不选C,我这样想的:句中用了一般过去式,might是may的过去式,其实两项都可以,不过A是更好的答案,在这种情况下选A
may/might have done 都可以表示对过去的事情进行肯定的推测,这里表达的是与过去事实相反的虚拟语气,只能用might+ have done.
这句话意思是“即使他很忙,他也本可以帮助你的”(而事实上他没帮你.)
又如:You may have noticed something while you were doing this task.
He may /might not have received the letter.
但是,might have done还可以意为“推测过去有可能发生但已确知并未发生的事情”.may have done 不能用于此种含义.
这个问题很有难度的.加油!