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1.She treated me as if I ___(be) a stranger.2.if a man ___(f

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1.She treated me as if I ___(be) a stranger.2.if a man ___(fall) into a black hole,he would
1.She treated me as if I ___(be) a stranger.
2.if a man ___(fall) into a black hole,he would think that he reached the center of it very quickly.
填什么?这两句是虚拟语气吗?如何判断虚拟语气?有哪些关键点?
能否举些不是虚拟语气的if语句?
第一句填had been,是否也可以呢?
1.She treated me as if I ___(be) a stranger.2.if a man ___(f
1.were
2.fell
都是虚拟语气.1.从句意.2.从形式would think 判断
下面没用虚拟语气:
If he comes here,I will tell him about it.
If you study hard,you will learn it well
不可以用had been(表示与过去事实相反的虚拟语气在条件句中的形式)