if he________ (be) here,he ______(help) us as much as possible.

题目

if he________ (be) here,he ______(help) us as much as possible.
这个虚拟语气到底是与现在事实相反,还是与过去事实相反?
怎么两种说法都看到书上有写?

答案

这里有两种答案,表示不同的情况：
If he were here,he would help us as much as possible.表示是对现在情况的虚拟.
If he had been here,he would have helped us as much as possible.表示是对过去情况的虚拟.