题目内容
1.I ________ you,but I didn't think you would listen to me.( )A. | could have told | B. | must have told | C. | should tell | D. | might tell |
分析 我本来是可以告诉你的,但我想你不会听我的.
解答 答案:A
句意表达的是与事实相反的假设,要用虚拟;对过去事实的相反假设,要用情态动词加完成时态来构成;could本可以,must表示推测,不能构成虚拟,should本应该,might也许;句意表达的是本来可以.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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