题目内容
6.---Jenny took the 8:00bus to Guangzhou this morning.---Really?He the 9:00train.It's much more comfortable and safer to travel by train.( )
A. | could have taken | B. | should take | ||
C. | must have taken | D. | can take |
分析 -今天早上Jenny坐八点的客车去广州了.-真的吗?他本可以坐九点的火车.坐火车安全舒适多了.
解答 答案:A 题干表示与过去事实相反的假设,要用虚拟;对过去的相反假设,要用情态动词加完成时态来构成,表示本可以做却没有做的事;must不能用来构成虚拟.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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