题目内容
5.Don't swim out too far from shore or you _____ drown.( )A. | could | B. | are able to | C. | shall | D. | will |
分析 不要游得离岸太远,否则你会溺水的.
解答 答案:A
句意是表达对将来的一种虚拟,or否则,相当于一个条件句if you swam out too far from shore;对将来的虚拟主语中用情态动词加动词原形.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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