作业帮虚拟语气的省略问题,help~虚拟语气,若主从句主语一致,且谓语部分包含有动词be,通常可将主语和动词be省略：If it had been repaired earlier,the tractor would not have broken down.=If repaired earlier,the tractor woul
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虚拟语气的省略问题,help~虚拟语气,若主从句主语一致,且谓语部分包含有动词be,通常可将主语和动词be省略：If it had been repaired earlier,the tractor would not have broken down.=If repaired earlier,the tractor woul
虚拟语气的省略问题,help~
虚拟语气,若主从句主语一致,且谓语部分包含有动词be,通常可将主语和动词be省略：If it had been repaired earlier,the tractor would not have broken down.
=If repaired earlier,the tractor would not have broken down.
可是虚拟语气里,有时候又可以把if去掉,例如：
If he were a man of sense,he wouldn’t say such a thing.
= A man of sense wouldn’t say such a thing.
问：有时候有if,有时候又没有,怎么理解呢?
虚拟语气的省略问题,help~虚拟语气,若主从句主语一致,且谓语部分包含有动词be,通常可将主语和动词be省略：If it had been repaired earlier,the tractor would not have broken down.=If repaired earlier,the tractor woul
第一,“虚拟语气,若主从句主语一致,且谓语部分包含有动词be,通常可将主语和动词be省略”其实,这个不仅仅局限于虚拟从句和由if引导的条件状语从句,还有有很多状语从句（非虚拟语气）也适合.
比如：
I'll also provide a series of factors to consider when ( I am ) making these decisions.
我还将提供一系列在做出这些决策时要考虑的因素.
第二,去掉if,那是根据句子的意思来的,虚拟语气不仅仅是由if引导,你要记住.还有其他的非if引导的句子,也会用虚拟语气.其中一个就是根据 句子的意思 来判断这个句子是否应该用虚拟语气.很多时候,一个根据“句子意思”判断出用虚拟语气的句子,往往可以把它转化为 if 引导的条件状语从句（虚拟语气）.所以,只要你逆推回去就行了.
当非真实条件句中有should.had或were时，可省略
嗯~
汗