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方式状语从句定义及用法简明教程 方式状语从句( 二 )

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When ( the museum is ) completed , the museum will be open to the public next year .
He’ll go to the seaside for his holiday if (it is ) possible.
3)固定句式：A is to B what C is to D 例如：
Nine is to three what three is to one.
另外，比较状语从句经常省略 。例如：
I’m taller than he (is tall ).
The higher the temperature (is), the greater the pressure (is ).
就状语从句而言,有时为了使语言言简意赅,常常将状语从句进行"简化" 。状语从句的"简化"现象在口语中较为普遍,而且在高考中的复现率也较高 。因此,有必要对其进行全面、透彻的了解 。
状语从句的"简化"现象常存在于以下五种状语从句中:①由if, unless等引导的条件状语从句;②由although, 网though, even if / though等引导的让步状语从句;③由when, while, as, before, after, until / till等引导的时间状语从句;④由as, as if等引导的方式状语从句;⑤由as, than等引导的比较状语从句 。下面针对这五种情形作一归纳 。
(1)当状语从句的主语是it,且谓语动词是be时,it和be要完全简化掉 。例如:
If (it is) possible, he will help you out of the difficulty.如果可能的话,他会帮你摆脱困境 。
You must attend the meeting unless (it is) inconvenient to you.除非情况对你来说不方便,否则你必须出席这次会议 。
(2)当状语从句的主语和主句的主语一致时,从句可以将主语和be动词简化掉 。常用于以下几种情形:
连词+形容词
As (he was) young, he learned how to ride a bike.他小时候就学会了骑自行车 。
Whenever (she is) free, she often goes shopping.她有空就去逛商店 。
Work hard when (you are) young, or you'll regret.少网壮不努力,老大徒伤悲 。[1]
连词+名词
While (he was) a young boy, he was always ready to help others.他在孩子时代就乐于助人 。
Although (he was) a farmer, now he is a famous director.尽管他曾是个农民,但他已经是位著名的导演了 。
连词+现在分词
As (she was) walking along the river bank, she was singing a pop song.她沿着河堤边走边唱着流行歌曲 。
Although (he is) doing his best in maths these days, he has still got no good marks.尽管他一直在学数学,但他仍然没有取得好成绩 。
连词+过去分词
He won't go there with us unless (he is) invited.除非受到邀请,否则他不会和我们一道去那里 。
The concert was a great success than (it was)网 expected.这场音乐会出乎意料地取得了巨大成功 。
连词+不定式
He stood up as if (he were) to say something.当时他站起来好像要说什么 。
He wouldn't solve the problem even if (he were) to take charge.即使他来负责,他也解决不了这个问题 。
连词+介词短语
She looked anxious as though (she was) in trouble.她看上去很焦急,好像遇到了麻烦 。
He had mastered the English language before (he was) in the USA.他到美国之前就懂英语了 。
解析：当从句主语和主句主语不一致时,从句部分要么用完全形式,要么用独立主格结构来表达，不能用其他形式表达 。
When the meeting was over, all the people went out of the meeting-room.当会议结束时,人们都走出了会议室 。=The meeting over,all the people went out of the meeting-room.

方式状语从句定义及用法简明教程 方式状语从句

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