题目内容
8.We a wonderful party to mark the special occasion in the open air,but it rained heavily then.( )A. | could have had | B. | must have had | C. | have had | D. | didn't have |
分析 我们本来可以在户外举办一个精彩的聚会来记住这个特殊的机会,但那时雨下得很大.
解答 答案:A 句意表达的是对过去事实的相反假设,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;must加完成时态表示推测,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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