题目内容
6.I should not have laughed if I you were serious.( )A. | thought | B. | would think | C. | had thought | D. | have thought |
分析 如果我认为你是认真的,我就不会笑了.
解答 答案:C
根据句意可知,本句是虚拟条件句.由于主句使用了should+have+done的形式,因此这里应表示与过去事实相反的假设,故if从句应使用过去完成时(had+done);故选C.
点评 本题考查了虚拟条件句的用法.做本题时,需要掌握:当虚拟条件句表示与过去事实相反的假设时,主句使用should(not)+have+done的形式,从句应使用过去完成时.
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