状语从句用法 怎么用要说清楚 最好有例句

状语从句用法 怎么用要说清楚 最好有例句
状语从句用法 怎么用要说清楚 最好有例句

状语从句用法 怎么用要说清楚 最好有例句
状语从句,就是主语完整的句子,从句就是补充的部分.
如果主句的主谓宾都完整不缺少成分,后面跟着的一般看意思比较好理解,
一般缺少的是时间状语,原因状语,地点状语,条件状语,结果状语,让步状语
1.时间状语从句
常用引导词：when,as,while,as soon as,before,after,since ,till,until
While John was watching TV,his wife was cooking.最常见的伴随状语从句.当..A.在干什么,B在干什么.
2.原因状语
常用引导词：because,since,as,for
My friends dislike me because I’m handsome and successful.
3.地点状语
常用引导词：where
You should have put the book where you found it.
4． 条件状语从句
常用引导词：if,unless,
We’ll start our project if the president agrees.
5． 结果状语从句
常用引导词：so … that,such … that,
He got up so early that he caught the first bus.
6.让步状语从句
常用引导词：though,although,even if,even though
whatever,whoever,wherever,whenever,however,whichever
Much as I respect him,I can’t agree to his proposal.
尽管我很尊敬他,我却不同意他的建议.

一般情况下，时间和条件状语从句的谓语动词一般用“一般现在时”表示“一般将来时”，用“现在完成时”表示“将来完成时”。例如： I will call you as soon as I arrive in Beijing. 我一到北京就给你打电话。（这是由as soon as引导的时间状语从句，从句中的谓语动词arrive是一般现在时，表示一般将来时，决不可用will arrive） As s...

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一般情况下，时间和条件状语从句的谓语动词一般用“一般现在时”表示“一般将来时”，用“现在完成时”表示“将来完成时”。例如： I will call you as soon as I arrive in Beijing. 我一到北京就给你打电话。（这是由as soon as引导的时间状语从句，从句中的谓语动词arrive是一般现在时，表示一般将来时，决不可用will arrive） As soon as I have finished this work, I will go home. 我一完成此工作，就回家。（从句中的谓语动词用现在完成时have finished，表示将来完成时,决不可用will have finished） If he comes back, please let me know.如果他回来了，请通知我。（从句中的谓语动词用comes back,表示一般将来时，决不可用will come back）
1 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.少壮不努力,老大徒伤悲。
2 连词+名词
While (he was) a young boy, he was always ready to help others.他在孩提时代就乐于助人。 Although (he was) a farmer, now he is a famous director.尽管他曾是个农民,而现在是位著名的导演了。 c.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.尽管近来他一直在学数学,但他仍然没有取得好成绩。
3 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) expected.这场音乐会出乎意料地取得了巨大成功。
4 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。
5 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。 注意: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。例如: 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,

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