八年级状语从句(一)

状语从句精讲 状语从句在复合句中作状语，修饰动词、形容词或副词等。状语从句可以表示时间、条件、原因、地点、目的、结果、让步、方式、比较等意义。知识梳理：提纲挈领，抓住重点和难点！ 各类状语从句连接词（短语）一览表：时间when, while, as, as soon as, since, until, after, before I will telephone you as soon as I arrive in Shanghai. She wants to be a teacher when she grows up. My mother came in while I was reading last night.条件If, unless We will visit the museum if it doesnt rain tomorrow.Our sports meeting will continue unless it rains tomorrow. 原因As, because, since, now that Tom didnt go to school today because he was ill. Since he will not do it, I have to ask someone else. We have to go as its getting late. The day breaks, for the birds are singing. Now that you are free today, you may have a rest at home.地点Where I found the book where you left it.目的So that, in order that Read slowly so that everyone can follow you.结果So that, sothat, suchthat She was so angry that she couldnt say a word. She is such a lovely girl that we all like her. 让步though, although, even if, however Though he was very tired, he still worked hard. 方式As I did as you told me.比较than, (not)asas, The work isnt as easy as I thought. The more you exercise, the healthier you will be.易混词解析：举一反三，学的更轻松！1. while, when, as的区别：when既可以指时间点,与瞬间动词连用，也可以指时间段，与延续性动词连用（=while）。如：When he came in, his mother was cooking.When (While) we were at school, we went to the library every day.While表示时间段,因此，while 从句的谓语动词要用延续性动词。如：Please dont talk so loud while others are working.As与when用法相似，但着重强调主句动作与从句动作同时发生，有随着或一边一边之意。如：As you get older, you get more knowledge.随着年龄的增长，你获得的知识就越多。2Because, as, since 的区别：Because用于表示直接原因,回答why提出的问题，语气最强 since表示显然的或已知的理由或事实，常译成既然，语气比because弱，主句的内容是全句句意的重心所在。as 引出的状语从句，一般位于主句之前，表示的原因语气最弱。如：Water is very important because we cant live without it.Ill do it for you since you are busy.We have to stay at home as it is raining. 3suchthat, sothat, so that 引导结果状语从句的区别：such是形容词，修饰名词; so 是副词，修饰形容词或副词。其结构如下：1) such + a (n)+ 形容词+单数可数名词+that2) such+形容词+复数可数名词+that 3) such +形容词+不可数名词+that。如：This was such a good film that I went to see it several times.They are such good books that they sell well.It was such bad weather that I had to stay at home.He spoke so fast that I couldnt follow him.He is such a lovely boy that we all like him.=He is so lovely a boy that we all like him.注：在形容词+可数名词复数/不可数名词结构中，当名词前有many, much, few, little表示数量的多少时，名词前用so。如：She made so many mistakes that she didnt pass the exam.练习与巩固：熟能生巧，取得好成绩！选择合适的连接词，完成下列句子。1. Jim spends a lot of money on books _he is not rich.2. Kate fell into sleep _she was listening to the music.3. -Is David at school today? -No. He is at home _he has a bad cold.4. We wont have supper _my mother comes back.5. Speak to him slowly _he may understand you better.6. Ill help you, _ I dont sleep for a night. 7. It is four years _I had left that small village.8. Jane, please turn off the lights _ you leave the classroom. 9. We will go to the park _it doesnt rain tomorrow.10. _ many children like KFC, I think they had better try not to eat it too often11. There are few new words in the passage _we cant understand it.12. Go back _you come from.13. The train had left _ he reached the station yesterday.14. -Do you have a swimming pool? -No, we dont. At least, not _big _yours.15. I havent heard from him _ he went to America.16. It is raining hard, _we have to stay at home.17. _you work harder, youll never pass the final exam.18. Look after the children _I am out.19. The village is _far away _I cant get there on foot.20. That is _an interesting book _I cant stop reading it.21. She sang _ she went along.22. Dont leave the room _ you have finished the work. 23. We found the key _ she had left it. 24. _ she is young, she knows quite a lot. 25. It is _ hot in the room _ we have to go out for a walk. 状语从句专练一单项选择1 We will visit the Tiananmen Square if it _ rain tomorrow. A. doesnt B. dont C. wont D. isnt 2 We _ go to the Great Wall if it rains tomorrow. A. dont B. wont C. arent D. doesnt 3. Ill let you know _ he comes back. A. before B. because C. as soon as D. although4. Read it aloud _ the class can hear you. A. so that B. if C. when D. although5. It is about ten years _ I met you last. A. since B. for C. when D. as6. _ she was very tired, she went on working. A. As B. Although C. Even D. In spite of7. I learned a little Russian _ I was at middle school. A. though B. although C. as if D. when8. _ we got to the station, the train had left already. A. If B. Unless C. Since D. When9. _ the rain stops, we 11 set off for the station. A. Before B. Unless C. As soon as D. Though10. She was _ angry _ she couldnt say anything.A. so, that B. such, that C. very, that D. so, as11. _ there was something wrong with my bike, I came to school by bus this morning. A. since B. until C. because D. though12. Ill stay here _ everyone else comes back. A. even if B. as though C. because D. until13. Although its raining, _they are still working in the field. A. / B. but C. and D. so 14. Speak to him slowly _ he may understand you better. A. since B. so that C. for D. because15. Youll miss the train _ you hurry up. A. unless B. as C. if D. until16. Wed better hurry _ it is getting dark. A. and B. but C. as D. unless17. John plays football _ David.A. as well B. as well as C. so well D. so well as18 The meeting didnt start_ everyone was there. A. because B. until C. why D. if 19 The boy _ to bed _ his mother came in. A. went not; until B. didnt go; after C. went; until D. didnt go; until 20 I wont believe you_ I have seen it with my own eyes. A. before B. until C. after D. when 21 If we work with a strong will, we can overcome any difficulty, _ great it is. A. what B. how C. however D. whatever22 I really dont know who is our new physics teacher _ you told me. A until B after C when D though 23 _ it was so cold, he went out without a coat. A. But B. when C. Although D. Because24 The lights went out _ they were reading. A. while B. before C. after D. if 25 _ he is very young, _ he read a lot. A. Though, but B. Because, so C. Though, / D. When, and 26 Its a long time _ I met him last time. A since B after C before D when 27. Dont forget to turn off the lights _ you leave. A after B until C as soon as D before28. The problem is _ difficult _ few of us can work it out. A too, that B very, that C so, that D so, and 29. Tom didnt go to school yesterday _ he was ill. A. because B. so C. until D. if30. It was _ that she couldnt finish it by herself. A. so difficult a work B. such a difficult work C. so difficult work D. such difficult work31. I wont believe you_ I have seen it with my own eyes.A. before B. until C. after D. when32. Tom will call me as soon as he _ Shanghai.A. arrives B. will reach C. arrives in D. get to33. Im sure hell come to see me before he _ Beijing.A. will leave B. is leaving C. leave D. leaves34. We _ TV when the telephone _.A. watched; was ringing B. were watching; rang C. watch; rings D. are watching; rang35. I wont go to see the film tonight, because I _ my ticket.A. lost B. have lost C. will lose D. didnt lose36. I _ him since I began to live in the city.A. know B. have known C. knew D. will know37. May I sit nearer _I can see more clearly?A. as if B. so that C. even if D. so38. _ he came to study in the university, he has made much progress in the study of English.A. While B. When C. Since D. After39. I dont know if he _ tomorrow. A. comes B. will come C. come D. has come40. I wonder when Lucy _ back from Beijing. A. will come B. comes C. come D. has come二改错1. The children were running on the playground as fast as they can.2. Since her husband had died, so she had to supporther family.3. He wont go out until his mother will come.4. He was very foolish that he didnt pass such an easy exam.5. Tom had gone out while his mother got home.6. It was three months since he came to our schoo