题目内容
20.If it _____ earlier,the printing machine would not have broken down.( )A. | has been repaired | B. | is repaired | ||
C. | had been repaired | D. | was repaired |
分析 如果早点修,印刷机就不会坏了.
解答 答案:C
题干中the printing machine would not have broken down是表示对过去情况的虚拟; 对过去情况的虚拟,从句用过去完成时,主句用情态动词加现在完成时态;repair与it之间是被动关系.故选C.
点评 虚拟语气是常考的知识点.表示对现在或将来的虚拟,条件句中用一般过去时态,主句用情态动词加动词原形;对过去的虚拟,条件句中用过去完成时态,主句用情态动词加现在完成时态.
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