题目内容
4._____ he was seriously ill,I wouldn't have told him the truth.( )A. | If I knew | B. | If I know | C. | Had I known | D. | Did I know |
分析 如果我知道他伤得很重,我就不会告诉他真相了.
解答 答案:C 题干中有逗号分隔,要用连词;句意表达对过去事实的相反假设,要用虚拟;对过去的虚拟,条件句中要用过去完成时态;虚拟条件句可以省略if,将句子部分倒装即可.故选C.
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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