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1、从属连词及状语从句状语从句概念：用一个句子（从句）来作另一个句子（主句）的状语，用作状语的句子就叫作状语从句。作什么样的状语 就叫什么类型的状语从句。引导状语从句的连接词是从属连词，状语从句可以在句首，也可以在句尾。 中考主要考查状语从句的类型有： 时间状语从句、地点状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句及比较状语从句等。1. 时间状语从句时间状语从句在主句中表示时间，常用连接词有：when（当时），while（当时），as（当时），before （在之前）， after （在之后），since （自从），not.until （直至U才）, as soon as （一
2、.就），once （旦就）等。I didnt go to bed until I finished my homework. 我直到做完作业才去睡觉。I can listen to the radio while I work. 我可以边听收音机边工作。（1）时间状语从句中，一般要用一般现在时代替一般将来时，一般过去时代替过去将来时。I will telephone you when he comes. 他来时，我会给你打电话。（2）when引导时间状语从句，表示主句的动作和从句的动作同时或先后发生，从句的谓语可以是延续性动词，也可 以是瞬间动词。He was working when I w
3、ent in. 我进去时他正在工作。When she heard the news, she began to cry. 她听至这个消息，她哭了起来。（3）while引导的状语从句中常用延续性动词或表示状态的动词，意为，在期间”。while还表示两者间的对比关系。They rushed in while we were singing. 我们唱歌时，他们冲进来。I like playing football, while Tom likes listening to music 我喜欢踢足球，而汤姆喜欢听音乐。as引导状语从句，强调同时发生，不分先后。可以译成“随着”或“一边一边”。John
4、sings as he walks home. 约翰一边往家走一边唱歌。（5） since 引导状语从句，主句常用现在完成时，从句常用一般过去时。We have been friends since we met in Beijing.自 从我们在北京遇到就一直是朋友。It has been six years since she left school.自从她毕业已经有六年了。6） until/ till引导时间状语从句，当主句的谓语动词是瞬间动词时，主句常用否定形式，not.until直到才He didnt go to bed until he finished his homework.
5、 他直至做完作业才睡觉。2地点状语从句地点状语从句在主句中表示地点。其连接词有where （哪里），wherever （无论哪里）等。Put it where you find it. 把它放在原来的地方。You can sit wherever you like. 你喜欢坐在哪里就坐在哪里。3. 原因状语从句原因状语从句在主句中表示原因或者理由。其连接词有：because （因为），as （因为），since （既然）等。I often eat carrots because they are good for my health.我经常吃胡萝卜是因为对我的身体有好处。As I dont k
6、now the way, I had to ask the policeman.由于我不知道路，所以我不得不问警察。（1）because表示因果关系语气最强，常用来回答why提出的问题。I didnt tell them because they were too young.我没有告诉他们，因为他们太小。（2）because 和 so 不能同在一个句子里。Because the book was expensive, I didnt buy it. （I 前不用 so）4. 结果状语从句结果状语从句在主句中表示结果。其连接词有：so.that.（如此以至于），such.that.（如此.以至
7、于.）等。 Its such a good chance that you cant miss it. 这次机会如此好，你不能失去它。注意：so.that和such .that都可以引导结果状语从句，注意so和such后面所接的词不同。（1）such. thatsuch+a（an）+形容词+单数可数名词+that从句such+形容词+复数名词/不可数名词+that从句He was such an honest man that he was praised by the teacher 他非常诚实，因而受到了老师的表扬。They are such interesting novels that
8、 I want to read them once again 这些小说非常有趣，我想再读一遍。（2）但是如果名词前由many、much、few、little （少）等词修饰，则用so。He had so many falls that he was black and blue all over他摔了很多跤，以至于全身上下青一块，紫一块的。（3）so . thatso+形容词/副词.+that从句so+形容词+a（an）+单数可数名词+that从句He runs so fast that nobody can catch up with him.他跑得非常快，没人能追上他。Dr. Wang
9、is so good that everybody loves and respects him他 是一位好医生，大家都尊敬并爱戴他。=He is so good a doctor that everybody loves and respects him.=He is such a good doctor that everybody loves and respects him.5. 目的状语从句目的状语从句在主句中表示目的。其连接词有：so （以便），so that （为了），in order that （为了）等，从句中多 用情态动词 can, will, may, should 等。
10、He got up very early so that he could catch the first train.他 起床很早以便于赶第一班火车。6. 条件状语从句条件状语从句在主句中表示条件。其连接词有：if （如果），unless （如果不，除非），as long as （只要）等。If it is fine tomorrow, we will go swimming .如果明天天气好的话我们去游泳。 注意：在条件状语从句中，一般要用一般现在时代替一般将来时，一般过去时代替过去将来时。Unless it rains, the game will be played. （= If it
11、 doesnt rain, the game will be played.）如果不下雨，比赛就将进行。As long as you tell truth , Ill try to help you.只要你说出真相，我就尽力帮助你。7. 让步状语从句常由though/although （虽然），even if/ though （即使）等引导，但though/although不能和but同时出现在一个句子里。 Though its hard work, I enjoy it.（= Its hard work, but I enjoy it.）尽管这是一件艰苦的工作，但我乐意做。She wont
12、leave the TV set even though /even if suppers on the table 即使晚饭已摆在桌上，她也不愿意离开电视机。 真题再现1. 一 Mrs. Li, will you be angryyour students dont obey the rules in class?（2014 山西） A little. But I will stop them in a friendly way.A. if B. unless C. though2. jeans were invented over 100 years ago, theyre still i
13、n fashion today.（2014 江西）A. Because B. If C. AlthoughD. Since3. The teacher asked me to read aloudall the students could hear me.（2014 滨州）A. so thatB. forC. becauseD. in order to4. 一 The air pollution is terrible. （2014 扬州）一 It will be worsewe take action to protect the environment.A. ifB. unlessC.
14、untilD. when5. Lin Feng has to work late, she always wears a smile on her fAce. （2014 南京）A. BecauseB. IfC. UntilD. Though6. In summer milk will quickly go bad it is put into a fRidge. （2014 杭州）A. thoughB. unlessC. becauseD. once7. I dont like TV series its boring. （2015 青海）AbutBandCbecause8. Mr. Smi
15、th has a habit of taking a showerhe has breakfast. （2015 温州）A. though B. before C. because D. since9. Youd better travel around Nanjing with a local tour guideyou want to know more aboutits culture. （2015 南京）A. unlessB. untilC. althoughD. if10. Pandas are fAcing danger! The situation wont changehumans stop killing. （2015 南通）A. unlessB. though C. ifD. after11. Jenny, will you leave for the USA now? No. It will be two weeksI leave here.A. untilB. sinceC. beforeD. when12. my cousin is very young, she can help wit
