状语从句 (2)

1、状 语 从 句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。一、时间状语从句(1) 引导词：when/ while(当时候), as soon as（一就）, since（自以来）, until/till（直到）, after（在之后）, before（在之前）(2)“主将从现”结构(3) until 的用法a.当主句是肯定句时，until/till表示“直到”（主句动作常为延续性动作，而从句常为短暂性动作）。例：He will stay here until his parents come back.他一直待

2、到他的父亲回来。b.当主句是否定句时，构成句式notuntil，意为“直到才（主句动作常为短暂性动作）。 例：He will not go to bed until his parents come back.直到父母回来，他才回去睡觉。（4）when和while的区别when既可以指"时间点",与瞬间动词连用，如： When he came in, his mother was cooking.while 从句的谓语动词要用延续性动词。 如:Please don't talk so loud while others are working.例1.-I hope

3、youll enjoy your trip, dear! -Thank you, mum. Ill give you a call _ I get there.A. until B. as soon as C. since例2. None of us knew what had happened _ they told us about it. A. when B. until C. after D. though例3.Im sure. He will jump when he _the good news.A. learn about B. will learn about C. learn

4、s about例4.The children _a P.E. class on the playground when it suddenly began to rain.A. have B. are having C. were having 练 习1. I was watching the show on TV _the telephone rang. A . when B. while C. as soon as2. Jim was reading _his sister was writing. A. when B while C before 3. Peter likes readi

5、ng a newspaper _he is having breakfast. A. while B. until C. because 4. You should finish your lessons _ you go out to play. A. before B. after C. when 5. Lucy knew nothing about it _her sister told her. A. because B. until C. if 二、.条件状语从句(1)引导词：if（如果）,as long as(只要)， unless（除非，如果不）(2) “主将从现”结构(3) i

6、f 的用法 if引导条件状语从句，表“如果”，主句若是一般将来时，从句中用一般现在时表示将来。引导的是条件状语从句；意为“是否”。例1.If I _back tomorrow, I will tell you if we _a trip together next weekend.A. come ;will come B. come; have C. will come ; will have 例2. You will stay healthy _ you do more exercise, such as running and walking. A. if B. how C. before

7、 例3. If I find his phone number, I _you.A. tell B. told C. will tell 例4.-May I go to the concert with you?-Im afraid not _you have a ticket, because I have only one.A. since B. if C. unless 练 习1. -Jason wants to know if _a school sports meeting tomorrow?-Yes, we will. But if it _, well have classes

8、instead.A. will you have, rains B. you will have, rains C. you will have , will rain2. -Do you know if he _ to play basket ball with us? -I think he will come if he _ free tomorrow.A. comes; is B. comes; will be C. will come; is 三、原因状语从句(1)引导词: as（由于）, because（因为）， since（既然）(2) because, since，as 的区别

9、：because表示直接原因，语气最强。Because引导的原因状语从句多放在主句之后。回答由why提出的问题，只能用because。As和since语气较弱，一般用来表示明显的原因。由as和since引导的原因状语从居多放在句首。例1：-Why arent going there? - I dont want to.例2： he has no car, he cant get there easily.例3： we have no money, we cant buy it.(3)because 不能与so连用。四、目的状语从句(1) 引导词：so that(以便，为了), in order

10、 that（为了）（2）从句与主句的主语一致时，可以换用so that to (后跟动词原形)，in order to (后跟动词原形)。例：He got up early so that /in order that he could catch the bus. 他早起是为了赶上公交车。=He got up early so that to/in order to catch the bus.五、结果状语从句（1）引导词：so(所以), suchthat, sothat（如此以致于）（2）区别：such是形容词，修饰名词; so 是副词，修饰形容词或副词。He is such a love

11、ly boy that we all like him.=He is so lovely a boy that we all like him.The story is so interesting that Ill never forget it .=It is such an interesting story that Ill never forget it .六、让步状语从句(1) 引导词：though/ although(尽管，虽然), even if/though(即使), whatever =no matter what ,whenever=no matter when ,whe

12、rever=no matter where, however=no matter how (2) although/though 不能与but 连用例1： he is old, he works hard. A. although, but B. although, C. Because, so例2：_well you drive ,you must drive carefully.A. No matter where B. In order that C. No matter how 巩 固 练 习1. Alan ran _ fast _ I couldnt follow him. A. t

13、oo; to B. so; that C. as; to 2. Why didnt you go surfing last Sunday? _ I had a bad headache. A. Because B. Since C. For3. Its time to go to bed, Wang Ming. Mum, I have a lot of homework to do. I wont go to bed _ I finish it. A. after B. until C. as soon as 4. We didnt catch the train _ we got up la

14、te. A. so B. because C. until 5. The poor man ate a big breakfast _ he said he wasnt hungry. A. since B. because C. though 6. _ they are brothers, they dont look like each other at all. A . Because B. Although C. When 7. Mr. Brown has worked in our school _ he came here in 1990. A. when B. whether C

15、. since 8. When will you tell him the good news? I will tell him _. A. as soon as he comes back B. as soon as he came back C. as soon as he will come back9. You will be late _ you leave immediately. A. unless B. until C. if 10. This dress is in last years style. I think it still looks perfect _ it h

16、as gone out this year. A. so that B. even though C. as if 11. John fell asleep _ he was listening to the music. A. after B. before C. while 12. The book was so interesting that he had read it for three hours _ he realized it. A. unless B. if C. before13. I am waiting for my friend. _, I will go swim

17、ming alone. A. If he doesnt come B. If he wont come C. If he will come 14. The meeting didn't start_ everyone was there. A. because B. until C. why 15. The boy _ to bed _ his mother came in. A. went not; until B. didn't go; after C. didn't go; until16. Tom will call me as soon as he _ Sh

18、anghai. A. arrives B. will reach C. arrives in 17. I'm sure he'll come to see me before he _ Beijing. A. will leave B. is leaving C. leaves18. I will tell him the news as soon as he_ back. A. come B. comes C. will come 19. When he got to the station, the train _ . A. left B. had left C. has

19、left20. The boy told his father what he _ in the street. A. saw B. have seen C. had seen 21. We _ TV when the telephone _.A. watched; was ringing B. were watching; rang C. are watching; rang22. By the end of last term, I_ ten books.A. had finished reading B. have finish reading C. had finish to read

20、 23. I _ him since I began to live in the city. A. know B. have known C. will know24. Betty didn't go to see the film yesterday _ she was ill. A. because B. but C. until 25. May I sit nearer _I can see more clearly? A. as if B. so that C. even if 26. _ you work hard, you will certainly succeed.

21、A. Though B. If C. Because 27._ he came to study in the university, he has made much progress in the study of English.A. While B. After C. Since 28. I'd like to go swimming _ the water is not too cold. A. for B. unless C. if 29. You are sure to pass the exam _ you study hard. A. if B. though C.

22、that 30. Although it was raining, _ still worked in the fields. A. but they B. and they C. they 31. _ there were only five soldiers left at the front, _ they went on fighting.A. Because; so B. Though; but C. Though; /32. Lift it up _I may see it. A. though B. so that C. as 33. We should go by bus _

23、we can get there earlier. A . as soon as B. where C. in order that 34. _ hes old, he can still carry this heavy bag. A. Though B. Since C. For 35. -Do you know if he _ to play basket ball with us? -I think he will come if he _ free tomorrow. A. comes; is B. comes; will be C. will come; is 36. I was

24、late for class yesterday _ there was something wrong with my bike. A. when B. that C. because37. You should finish your lessons _ you go out to play. A. before B. after C. when38. I hurried _ I wouldnt be late for class. A. since B. so that C. as if 39. He took off his coat _ he felt hot. A. because

25、 B. as C. if 40. It is _ that wed like to go out for a walk. A. a lovely day B. such lovely a day C. so lovely a day 41. _ I felt very tired, I tried to finish the work. A. Although B. Because C. As 42. My brother is going to look for another job the company offers him more money. A. after B. when C. unless 43. Please remember to say goodbye to Mr Smith when you tomorrow. Sure. I will.A.