He_you more help even though he was very busy.

题目

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

答案

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...