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1、优质文本状语从句状语从句用来修饰主句中的动词，副词和形容词的从句叫状语从句。根据其含义状语从句可分为时间状语从句，地点状语从句，条件状语从句， 原因状语从句，结果状语从句，比较状语从句，目的状语从句，让步状语从句。1. 时间状语从句(1)时间状语从句常用when, as, while, before, after, since, till, until, as soon as等连词来引导。例如：It was raining hardrain hard 下大雨 when got to school yesterday.While he was doing his homework, the te
2、lephone rang.As he walked along沿着走 the lake, he sang happily.He had learned a little Chinese before he came to China.After he finished middle school, he went to work in a factory.(2)在时间状语从句里，通常不用将来时态，用现在时态表示将来的动作或状态。例如：Ill ring you up as soon as I get to New York.I will tell him everything when he c
3、omes back.He wont believe it until he sees it with his own eyes.(3)在带有till或until引导的时间状语从句的主从复合句里，如果主句用肯定式，其含义是“一直到时，谓语动词只能用延续性动词。如果主句用否认式，其含义是“直到才, “在以前不, 谓语动词可用瞬间动词。例如：The young man read till the light went out熄灭.Lets wait until the rain stops. We wont start until Bob comes. Dont get off从下来 until t
4、he bus stops.【Till是指直到某一特定事件发生的时候，而在那个时刻之后，该事情或状况仍将持续。 Until是指直到某一特定事件发生的时候，而讲话的人在自己心里认为，在那个时刻之后，该事情或该状况将中止不怎么可能持续。固定组合里from morning till night，till/until是不能替换的，】2. 条件状语从句(1)条件状语从句通常由if, unless引导。例如：What shall we do if it snows tomorrow?Dont leave the building unless I tell you to.(2)在条件状语从句里，谓语动词通常
5、用现在时态表示将来的动作或状态。例如：Ill help you with your English if am free tomorrow.He wont be late unless he is ill.(3)“祈使句 + and (or)+ 陈述句 在意思上相当于一个带有条件状语从句的复合句。例如：Hurry up, or youll be late. =If you dont hurry up, youll be late.Study hard and you will pass the exam. =If you study hard, you will pass the exam.3
6、. 原因状语从句(1)原因状语从句通常由because, since, as引导。例如：He didnt come to school because he was ill.As it is raining, we shall not 不得；不应该go the zoo.Since you cant answer the question, Ill ask someone else.(2)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。答复由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
7、状语从居多放在句首。例如：-Why arent going there?-Because I dont want to.As he has no car, he cant get there easily.Since we have no money, we cant buy it.(3)because和so不能同用在一个句子里。4. 结果状语从句(1)结果状语从句由sothat, suchthat, so that引导。例如：He is so poor that he cant buy a bike for his son.(和too.to.句型的转换复习She is such a good
8、 teacher that everybody likes her.My pencil fell under the desk, so that I couldnt see it.(2)sothat语such.that可以互换。例如：在由so.that引导的结果状语从句中，so是副词，与形容词连用。其结构是: “.so + 形容词副词+ that + 从句。例如：He was so glad that he couldnt say a word.The hall is so big that it can hold 2,000 people.Mother lives so far away t
9、hat we hardly ever几乎不，从来不 see her.在由suchthat引导的结果状语从句中，such是形容词，它修饰的可以是单数或复数可数名词，也可以是不可数名词；名词前面可以带形容词，也可不带。如果是单数可数名词，前面需加不定冠词a或an。例如：It was such a hot day that nobody wanted to do anything.He had such long arms that he could almost touch the ceiling.天花板He made such rapid progress that he did very we
10、ll in the mid-term. 有时上述两种结构是可以互换的。例如：It was such a wonderful film that all of us wanted to see it again.=The film was so wonderful that all of us wanted to see it again.It is such an important match that nobody wants to miss it.=The match is so important that nobody wants to miss it.(3)如果名词前由many,
11、much, little, few等词修饰时，只能用so, 不用such。例如：Soon there were so many deer that they ate up all the wild roses.He has so little time that he cant go to the cinema去看电影 with you.5. 比较状语从句比较状语从句通常由asas, 比较级 + than等连词引导。例如：Tom runs faster than John does.This classroom is as big as that one(is).6. 目的状语从句(1)目的状
12、语从句通常由 so that, in order that为了，以便引导。例如：We started early so that we could catch the first train.(动词不定式作目的状语的转换练习He studies hard so that he could work better in the future. 和不定式短语so as to 的转换练习We used the computer in order that we might save time.和不定式短语in order that的转换练习(2)so that既可引导目的状语从句，又可引导结果状语从
13、句。区别这两种从句的方法有两个：1)目的状语从句里往往带有情态动词can, could, may, might等。2)从意思上看，目的状语从句往往表示的目的很明确。例如：Ill speak slowly so that every one of you can understand well . (目的状语从句)Jack is badly ill so that he has to rest. (结果状语从句)He ran quickly so that he won the race . (结果状语从句) He ran quickly so that he could win the rac
14、e , (目的状语从句) 7. 让步状语从句(1)让步状语从句通常由although, though等连词引导。例如：Though he is young, he knows a lot.Although I am tired, I must go on working. (复习go on doing,go on to do)(2)although(though)不能用在同一个句子中。例如：我们不能说：Though it was raining hard, but he still went out.应该说：Though it was raining hard, he still went o
15、ut.或It was raining hard, but he still went out. (3) even if/even though 表示“即使。，纵使。之意，含有一种假设 Well make a trip even if / even though the weather is bad .(4) no matter + 疑问词 “不管。都。 No matter what happened , he would not mind = Whatever happened , he would not mind ., No matter who you are , you must ke
16、ep the law.= Whoever you are , you must keep the law . 8. 地点状语从句 地点状语从句常常由where来引导。例如： Go where you like. Where there is a will, there is a way.9. 方式状语从句方式状语从句常用as,as if,as though引导He speaks English as the Englishmen do .He talks as if he knew all about it .She loves the boy as though he were her ow
17、n son .总结：状语从句分类及常用连词： 类别连词 时间状语从句when, whenever, while, as, before, after, since, till, once一旦地点状语从句where, wherever 原因状语从句because, since, as, for, now that既然，由于etc. 目的状语从句in order that(为了，以便), so that, that, etc. 结果状语从句sothat, so that, suchthat, that, etc. 条件状语从句if, unless, as(so)long as, etc. 让步状语
18、从句though, although, even if, even though, however, whatever, as, etc. 比较状语从句asas, soas, than, etc. 方式状语从句as, as if, as though, etc. 练习一一. 单项填空1. _ hes old, he can still carry this heavy bag. A. Though B. Since C. For D. So2. -Do you know if he _ to play basket ball with us? -I think he will come if
19、he _ free tomorrow. A. comes; is B. comes; will be C. will come; is D. will come; will be3. In the zoo if a child _ into the water and cant swim, the dolphins may come up _ him. A. will fall; to help B. falls; to help C. will fall; help D. falls; helping4. I dont remember _ he worked in that city wh
20、en he was young. A. what B. which C. where D. who5. We will stay at home if my aunt _ to visit us tomorrow. A. comes B. come C. will come D. is coming6. The police asked the children _ cross the street _ the traffic lights turned green. A. not; before B. dont; when C. not to; until D. not; after7. I
21、 was late for class yesterday _ there was something wrong with my bike. A. when B. that C. until D. because8. Ill go swimming with you if I _ free tomorrow. A. will be B. shall be C. am D. was9. In the exam, the _ you are, _ the _ mistakes you will make. A. careful; little B. more careful; fewest C.
22、 more careful; fewer D. more careful; less10. You should finish your lessons _ you go out to play. A. before B. after C. when D. while11. I hurried _ I wouldnt be late for class. A. since B. so that C. as if D. unless12. When you read the book, youd better make a mark _ you have any questions. A. wh
23、ich B. that C. where D. though13. The teacher raised his voice _ all the students could hear him. A. for B. so that C. because D. in order14. He took off his coat _ he felt hot. A. because B. as C. if D. since15. It is _ that wed like to go out for a walk. A. a lovely day B. too lovely a day C. so l
24、ovely a day D. such lovely a day16. Mary had _ much work to do that she stayed at her office all day. A. such B. so C. too D. very17. _ I felt very tired, I tried to finish the work. A. Although B. Because C. As D. As if18. _ the day went on, the weather got worse. A. With B. Since C. While D. As19.
25、 _ well you can drive, you must drive carefully. A. So long as B. In order that C. No matter how D. The moment20. Write to me as soon as you _ to Beijing. A. will get B. get C. getting D. got二. 根据中文意思完成以下英语句子1. 不管他跟我开什么玩笑，我都不生气。 I am not angry with him, _ _ _ jokes he _ on me.2. 布鲁斯太太对学生非常亲切，以至于学生把她
26、当做母亲。 Mrs Bruce was _ kind to her students _ they _ her _ their mother.3. 只要我们竭尽全力，父母就会满意我们的表现。 Our parents will be pleased with our performance _ _ _ we try our best.4. 你一到上海就给我打个 好吗？ Will you please call me _ _ _ you get to Shanghai.5. 这个七岁的女孩酷爱钢琴，以至于他已经坚持练习两年了。 The seven-year-old girl likes playi
27、ng the piano _ _ _ she has kept practicing for two years.6. 虽然她很忙，他还坚持自学英语。 _ _ _ _, she kept on learning English by herself.7. 他长大后相当一名记者。 He wants to be a journalist _ _ _ _.8. 无论刮风下雨，我们的老师总是第一个到校。_ _ windy or rainy, our teacher is always the first to get to school.9. 如果人人为保护环境做出奉献，世界将会变得更美好。 _ _
28、_ _ _ to protecting the environment, the world will become much more beautiful.10. 李明昨天没来上学，因为他病了。 Li Ming didnt come to school _ _ _ _.练习二1 The meeting didnt start_ everyone was there.A. because B. until C. why D. if2 The boy _ to bed _ his mother came in.A. went not; until B. didnt go; after C. we
29、nt; until D. didnt go; until3 I wont believe you_ I have seen it with my own eyes.A. before B. until C. after D. when4 He _ home _ she was satisfied _ his answer yesterday. A. didnt go; until; with B. wasnt go; after; to C. doesnt go; before; with D. didnt go; until; to5 He _ back until the work _ d
30、one.A. isnt; will be B. isnt; is C. wont be; will be D. wont be; is6 They didnt start the work _ their teacher came back.A. until B. while C. as soon as D. if7. Tom will call me as soon as he _ Shanghai.A. arrives B. will reach C. arrives in D. get to8. Im sure hell come to see me before he _ Beijin
31、g.A. will leave B. is leaving C. leave D. leaves9. I will tell him the news as soon as he_ back. A. come B. comes C. will come D. came10. Tom has got a watch. He _ it for two years. It _ by his father.A. has bought; was bought B. has got; is bought , C. was bought; has bought . D. has had; was bough
32、t 11. When he got to the station, the train _.A. left B. had left C. leaves D. has left12. The boy told his father what he _ in the street.A. saw B. have seen C. had seen D. see13.We _ TV when the telephone _.A. watched; was ringing B. were watching; rang C. watch; rings D. are watching; rang 14.By
33、the end of last term, I_ ten books.A. had finished reading B. have finish reading C. had finish to read D. finish read15. I _ you for a long time. Where _ you _?A. didnt see; did; go B. didnt see; have; goneC. havent seen; have; been D. havent seen; have; gone16. Tom_ China for 3 years.A. has been B
34、. has been in C. has been to D. has been at17. I wont go to see the film tonight, because I _ my ticket.A. lost B. have lost C. will lose D. didnt lose18.-Hello! May I speak to Bob?-Sorry, but he _ for a month.A. had been away B. was left C. left D. has been away19. I _ him since I began to live in
35、the city.A. know B. have known C. knew D. will know20.Zhao Lan _ already _ in this school for two years.A. was; studying B. will; study C. has; studied D. are; studying21.Betty didnt go to see the film yesterday _ she was ill.A. because B. but C. until D. if22 May I sit nearer_I can see more clearly
36、?A. as if B. so that C. even if D. so23 _ you work hard, you will certainly succeed.A. Though B. If C. Because D. For24 _ he came to study in the university, he has made much progress in the study of English.A. While B. When C. Since D. After25 Id like to go swimming _ the water is not too cold.A. f
37、or B. unless C. if D. whether26 There are _ many league members in class 2 _ in Class 4.A. both; and B. so; that C. either; or D. as; as27. -Do you have a big library?-No, we dont. At least, not_yours.A. as big as B. as big than C. as bigger than D. bigger as28. Suzhou is not _ beautiful _ Hangzhou.
38、A. as; than B. so; as C. even; than D. /; than29. Iron is more useful _ any other metal.A. as B. than C. then D. so30. I want to know _ she is going to see a film.A. if B. that C. what D. which31. You are sure to pass the exam _ you study hard.A. if B. thoughC. that D. since32. Ill go to see the fil
39、m with you_I have time this evening.A. whether B. so C. if D. when33. _ you study harder, youll never pass the final exam.A. If B. Until C. Unless D. Except34. Although it was raining, still worked in the fields.A. but they B. and they C. they D. and yet they35 _ there were only five soldiers left a
40、t the front, _ they went on fighting.A. Because; so B. If; and C. Though; but D. Though; /36 _ she is very old, _ she can still work eight hours a day.A. Because; so B. Though; but C. As; yet D. Though; yet37. Please answer the question in a loud enough voice _ all the class may hear.A. so, that B.
41、or C. in order that D. and38. Lift it up_I may see it. A. though B. so that C. as D. than39. I hurried_I wouldnt be late for class. A. so B. so that C. if D. unless40. We should go by bus _ we can get there earlier. A. as soon as B. where C. in order that D. as41 The dictionary is so expensive _ I c
42、ant buy it. A. because B. when C. that D. if42 I got there _ late _ I didnt see him.A. too; to B. such; that C. so; that D. so; as43 It is _ hot in the room _ we have to go out for a walk.A. such; that B. so; that C. as; as D. such; as44 He has_ an interesting book that we want to read it. A. so B.
43、such C. the same D. as优质文本练习一答案一. 1.A 2.C 3.B 4.C 5.A 6.C 7.D 8.C 9.C 10.A 二. 1. no matter what; plays 2.so; that; regarded; as 3. as long as 4. as long as 5. so much that 6. Though she was busy 7. when he grows up 8.Whether its 9. If everyone makes a contribution 10. because he was ill练习二参考答案：1-5B D B A D 6-10 A C D B D 11-15 B C B AC 16-20B B D B C 21-25A B B C C26-30 D A B B A 31-35 A C C C D 36-40 D C B B C 41-44 C C B B