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The calculations would have been useless when they were worked out ______ (如果当时没
The calculations would have been useless when they were worked out ______ (如果当时没
游客
2024-05-29
46
管理
问题
The calculations would have been useless when they were worked out ______ (如果当时没有电脑的话).
选项
答案
had it not been for the computer/if it had not been for the computer
解析
①根据句意,本句是与过去事实相反的虚拟语气,缺少条件状语从句,所以从句的谓语动词应使用had+过去分词的形式;②非真实条件句中?可以把从句中的if去掉,直接把谓语动词当中的情态动词或者助动词提前,构成倒装句。
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