if only i ____ now about his coming,i would hace met him at

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/09/23 18:33:41

if only i ____ now about his coming,i would hace met him at the station.
1.would know
2.had known
3.have known
4.kewn

if only 要用虚拟语气,知道吧?
翻译：要是我知道他来,我就会到车站去接他了.
对过去的事情进行假设,实际上过去他不知道他要来,也没有去接他.
对过去的事情进行假设,从句用had done,主句用would have done.
根据你的主句中用的是would have met 所以对应的用had known
再问：谢谢你的回答！请问：虚拟语气就是——>对过去的事情进行假设（过去的过去）——>所以就是（should/would）had done? 是这样理解吗？
再答：虚拟语气用来表示说话人的主观愿望或假想，而不表示客观存在的事实，所说的是一个条件，不一定是事实，或与事实相反。
你后面的（should/would）had done是错的。非真实性条件状语从句大体上分为三种。
1、表示与现在事实相反的情况：从句：If+主语+过去时(※be动词用were)主句：主语+should/would/could/might+do2、表示与过去事实相反的情况：从句：If+主语+had+done主句：主语+should/would/could/might+have done3、表示对将来情况的主观推测：从句：①if+主语+were to do②if+主语+should+do③if+主语+did（动词过去式）/were主句：主语+should/would/could/might+do这些要“死记硬背”，语法书上都有的，从语气上分类是【虚拟语气】，从从句上分类是【非真实性条件状语从句】，建议你最好看看语法书。如果您对我的回答满意，请您及时采纳我，谢谢~！

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