题目内容
4.The boy was having a class when the earthquake broke out in yushu.He could have been killed if he with his family.( )A. | had stayed | B. | stayed | C. | would stay | D. | is to stay |
分析 当玉树地震发生时,这个孩子正在上课.如果他和家人呆在一起,他可能就失去生命了.
解答 答案:A 题干表达的是对事实的相反假设,要用虚拟;句意表达的是对过去的虚拟,条件句中要用过去完成时态来构成.故选A.
点评 虚拟语气是表示与事实相反的假设,构成方式有:对现在或将来,条件句中用一般过去时态,主语用情态动词加动词原形;对过去,条件句中用过去完成时态,主语用情态动词加完成时态.学习时,要牢记构成方式.
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