虚拟条件句的倒装应该怎样，if虚拟语气的倒装

虚拟条件句的倒装应该怎样？

虚拟条件句的倒装在书面语中,虚拟条件从句有的时候，可以不需要连词if而把助动词were,had或should移至主语以前.但如从句没有were,had或should则不可以这样做.如：Shouldhecome,tellhimtoringmeup.他要是来了,让他给我打个电话号码.WereIinyourposition,Iwouldgo.假设我处于你的地位,我就去.Hadtheynothelpedus,ourexperimentwouldhavefailed.没有他们的帮,我们的试验是会失败的

虚拟语气的倒装？

属于部分倒装，当虚拟条件句中含有 were，had，should，could等动词时，可以将if省略，然后将 were，had，should，could 等词移至句首：

1. If he should fail，he would kill himself. →Should he fail，he would kill himself. 万一失败，他就可以自杀。

2. If I were you，I would do it at once. →Were I you，I would do it at once. 假若我是你，我就可以马上做。

3. If I could do it，I would. →Could I do it，I would.

if的虚拟语气倒装句的条件？

虚拟条件句中，一定要要有should、were、had，if才可以省略,虚拟条件从句才可以倒装。

在虚拟条件句中，假设从句中有were、had 、should,可省略if，把were、had、should提到句首，变为倒装句式。

例子：

1.Were I in school again(=If I were in school again),I would work harder.

假设我能再上一次学，我会学习得更努力。

2.Had you asked me(=If you had asked me),I would have told you.假设你问我，我就可以告诉你。

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