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构成:It is (was) that / who / which ...
I met my old flame in the street yesterday.
It was I that met my old flame in the street yesterday.
It was yesterday that I met my old flame in the street.
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强调句型可以强调除谓语外所有成分。
It is to realize my dream that I am considering whether I should dispart with my girlfriend.
There remain abundant elements to account for the issue.
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例句
So far,you have never realized that because you have unfavorable friends,you failed to go to your dreamable university.
- 倒装:把一句话写成一般疑问句的形式,也就是给一句话加个助动词或把be动词放到句首。
- 使用:
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否定词放在句首用倒装
I can hardly speak Japanese.
Hardly can I speak Japanese.
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so, no / neither 位于句首,表明承前句子的肯定或否定时用倒装
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含有 so ... that ... 结构的句子将 " so " 引导的部分放在句首用倒装
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only 引出的状语位于句首的时用倒装
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as 引导的让步状语从句,从句的表语可以放在句首构成倒装
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含义:表示与事实相反或语气委婉
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一般用法
- if 引导的条件状语从句
- 如何把条件状语从句变成虚拟语气? 只需要把已经写好的句子的时态变成他的过去式。并且在虚拟语气中,be动词的过去式只有" was "没有" were "还有could=would=might
If you are a tear in my eyes,I will never shed it.
If you were a tear in my eyes,I would never shed it.
If I was a dog,I could sleep with you in bed.
If I had been a dog,I could have slept with you in bed.
- if 引导的条件状语从句
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特殊用法
- 以下情况从句用 “should + V.” 表示虚拟,并且should可以省略
- 以防:in case、for fear that等
- 命令:order、direct、command等
- 建议:suggest、advise、propose等
- 要求:ask、request、request、require、demand等
- 是必要的:It is necessary / important / urgent that ...
- 以下情况从句用一般过去时表示虚拟
- 常见的有两个:would rather 和 it is high time that ...
The independance of kids were cultiveted by senior citizens.
- 以下情况要区别对待:
- 就是把原本的时态写成其过去式,常见的词:wish、if only、but for、or / otherwise、as if / as though 等
If only I were your daughter.
If only I had been your child.
- 以下情况从句用 “should + V.” 表示虚拟,并且should可以省略
- 定义:放在句子的主谓之间,通常是定语、状语或同位语。
- 含义:表明说话人主观态度的词汇
- 用法:情态动词后面加动词原型,相当于助动词
- 情态动词+V. 表示对现在或将来的推测
- 情态动词+完成式:表示对过去的推测
- must have done 一定做过某事
He must have been self-biased in his university.
- needn't have done 本没必要做某事,但是做了
You needn't have shown me your love in this way.
- could have done 本能够做某事,但没做,表示遗憾
I could have become a prominent poet.
- should have done 本应该做某事
We should have married if there exists a chance.