初二 下 状语从句重点及习题

1、初二语法（四） 状语从句一、定义二、分类及引导词状语从句的分类从句的引导词例句时间状语从句when/ while/as, before, after, since, notuntil, as soon asI was doing my homework when my mother came in.条件状语从句if, as long as, unless（除非）Unless weather stops me, I go for a walk every day.原因状语从句because, since(既然), as(由于)，for(由于)Since everyone is here, let

2、s begin our meeting.目的状语从句so that, in order thatHe gets up early every morning so that he can catch the bus 结果状语从句so that, so that/ such thatIts so hot that nobody wants to go out.让步状语从句though/ although/, even if, whatever, wherever, wheneverWherever you go, I will go with you.比较状语从句than, asas, not

3、as/ soasHe is as tall as Tom.地点状语从句whereSit where you like.三、具体用法1. 时间状语从句(1) 主将从现：as soon as, when, until(2) when 引导的时间状语从句，主句用过去进行时(3) until/ till: 主句的谓语动词是延续性动词,主句用肯定形式:eg. Ill wait for you till/ until you come to see me. 主句的谓语动词是非延续性动词,主句用否定形式(never, nothing):eg. I didnt go to bed until I finish

4、ed my homework.(4) since: since 引导的句子用过去时 句式: It is/ has been + 时间 + since + 过去式 现在完成时:2. 条件状语从句(1) 主将从现: if (2) “祈使句+and/ or+ 引导结果状语从句” (祈使句相当于一个条件状语从句)eg. Use your head, and you will find the way.3. 原因状语从句(1) because since as,由why提出的问题用because回来.(2) 对于人们已经知道的事实, 就要用since而不用as或becauseeg. Since the

5、star can show the direction, you can use it help you.4. 结果状语从句(1) 由sothat, such that引导: so + adj.+ that: She is so lovely that we all like her. so+ adj. + a/ an + n. + that: She is so lovely a girl that we all like her.= such + a / an + adj. + n. + that:She is such a lovely a girl that we all like h

6、er. such + adj. + n. (不可数名词, 复数名词)eg. They are such busy people that they dont have time for their children. It is such spicy food that I cant bear it.注意: 当名词前有many或much形容时, 用so而不用such.eg. We have so much time that we can finish the work very well.(2) sothat= to to状语从句专项练习一. 用下列方框中的连词填空asas, since,

7、as soon as, soas, before, when, after, because, if, until1. Bobs English is very good, but his Chinese is not _ good _ his English.2. Time passed quickly and three years went by_ we finished the work.3. The wall of our classroom is _ white _ snow.4. Ill give the note to her _ she arrives.5. She didn

8、t tell me anything _ she came here.6. Tome didnt buy the MP5 yesterday_ his aunt said she would buy one for him.7. Ill go there by bike _ it doesnt rain.8. He did not go home _ he handed in his homework.9. I have learnt a lot _ I came to this school.10. _ we said goodbye to our parents, we left our

9、hometown.二. 单选1. My uncle has taught _ he was twenty years old.A. since B. for C. until D. after2. The question is _ that nobody can answer it.A. very hard B. too difficult C. strange enough D. so strange3. We dont have much homework now and our school bags are _ they used to be.A. as heavy as B. no

10、t as heavy as C. as heavily as D. not as heavily as4. Its quite common in Britain to say “Thank you” to the drivers _ people get off the bus.A. after B. since C. until D. when 5. _ they may not succeed, they will try their best.A. Though B. When C. Because D. Unless6. If people _ cutting down the fo

11、rest, they will have nowhere _.A. keep; to live in B. will keep; to live in C. keep; to live D. will keep; to live7. Where was your brother at this time last night? - He was writing an e-mail _ I was watching TV at home.A. as soon as B. after C. until D. while8. _ scientists have done a lot of resea

12、rch on A(H1N1) Flu, There are still some cases for further study.A. As B. Once C. If D. Although9. Dont laugh at her. She is _ any of the others in your class.A. as clever a student B. as a clever student as C. so clever a student as D. so a clever student like10. Perhaps I m going to the market. -

13、Would you get me some juice _ youre there?A. since B. as C. if D. after11. Bill wont make any progress _ he studies harder than before.A. if B. when C. because D. unless12. It is difficult for us to learn a lesson in life _ harder than before.A. when B. after C. since D. until13. It seemed only seco

14、nds _ the boy finished washing his face.A. when B. before C. after D. even if 14. Ler her do that, _ she will.A. if B. unless C. whether D. though15. _ you stay at home, why not do some washing?A. Whether B. Since C. If D. Even if16. Ill leave him a note _ hell know we wont come back until 11:00 thi

15、s night.A. in case B. in order to C. after D. so that17. You will be late _ you leave immediately.A. unless B. until C. if D. or18. It is important _ you can attend the meeting.A. while B. that C. if D. for19. _ time went on, my little sister made great progress.A. With B. Since C. While D. As20. _

16、my father will come to the parent meeting is not known yet.A. Whenever B. If C. Because D. That21. _ I live there are plenty of trees.A. When B. If C. Because D. Where22. My John has worked in that small town_ he left a big city in 2008.A. when B. after C. for D. since23. Why do you want a new job _

17、 youve got such a good one already?A. that B. where C. which D. when 24. I was drawing on the computer _ my friend came to see me yesterday evening.A. before B. after C. while D. when 25. The teacher left his office _ he had finished his work.A. until B. before C. after D. if26. I know nothing about

18、 it _ my friend told me.A. after B. if C. because D. until27. Someone called me up in the middle of the night, but they hung up _ I could answered the phone.A. as B. since C. until D. before28. Nearly two weeks passed _ I received my fathers letter.A. before B. while C. until D. as soon as29. The tr

19、ain had left the station _ I got there.A. as soon as B. by the time C. since D. after 30. He met many problems _ he was going over his lessons.A. before B. as soon as C. since D. while31. Id like to go swimming _ the water is not too cold.A. for B. unless C. if D. whether32. May I sit nearer _ I can

20、 see more clearly?A. as if B. so that C. even if D. so 33. _ there were only five soldiers left at the front, _ they went on fighting.A. Because; so B. If; and C. Though; but D. Though;/34. You can go out, _ you promise to be back before ten.A. in order that B. even if C. as long as D. whenever35. _

21、 you begin, I think you must continue.A. When B. Whenever C. Once D. Even if36. The students didnt read English _ their teacher came in the classroom.A. until B. before C. because D. after 37. Its cloudy. Take an umbrella _ you leave.A. or B. and C. after D. when 38. You must speak louder _ you can

22、be heard by all of us.A. or B. so that C. in order to D. because39. He is _ a young boy _ he cant go to school.A. such; that B. so; that C. in order; that D. as; as 40. Ill give you a new book _ you finish reading that one.A. before B. because C. as soon as D. although41. _ they got to the airport,

23、the plane had already taken off.A. If B. Unless C. Since D. When 42. When you read the book, youd better make a mark _ you have any questions.A. at which B. at where C. the place D. where43. Is Bob in the classroom? - Yes, _ he is on duty today, he must be there early.A. since B. until C. while D. if 44. Id like to change this pair of shoes, _ give me my money back.A. so B. or C. but D. an