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1、英语时间状语从句讲解与练习(一 )巧辨 before 和 until 在日常英语教学中,我们遇到学生问这样的一些问题:1. He will spend six hours at his deskhe finishes his composition.A. before B.until C.after D.when2. The bike hit the treeI could get off.A.when B.before C.while D.until3.I knocked at the door for more than five minutesMrs white answered it.
2、A.until B.when C.after D.before4.It wasyesterdaybethe secret.A.not until ; that;knewB.until ;when; knewC.not before;that; foundD.before;that; didnt find怎样才能清楚地解释其选择的原因,这就涉及到 until 与 before 的区别问题。 实际上, 只要我们把握住两者使用时本身的含义及主句动词是终止性的, 还是延续性的, 肯定式,还是否定式两大点,就能容易地解决这类问题。现详细阐明如下:一、 在下列情况下,两者可互换用,但含义略有不同。befo
3、re表示 在之前”的意思,强调时间先后关系;而until表示 直到才”的意思,主句是肯定句则表示主句动作的终止时间;主句是否定句则强调主句动作的起始时间。1. 主句为否定式终止性谓语动词。常见的动词是open,start,leave,arrive,finish,stop 等。例如:(1) The noise of the street didnt stop until/before it was midnight.(2) The children wont come back until/before it is dark.(3) I didnt leave the lovely boy un
4、til/before his mother came home.2. 主句为肯定式、延续性谓语词,这类动词用sta nd,stay,talk,be,wai等。例如:(1) He lived with his parents until/before he graduated from school.(2) I will wait until/before he comes to my help.(3) I shall stay heer until/before you come back.二、在下列情况下,用 before不用until。1. 主句这肯定式、终止性谓语动词,只用before例
5、:(1) He fell asleep before I could take off his clothes.(2) We arrived there before it atarted to rain.(3) The holiday came to the end befor I knew it.(4) He almost knocked me down before he saw me.2. 主句谓语动词强调动词的迟缓性,只用before,常伴有时间段状语或时间段暗示。例:(1) It was quite some time before he found the elephant at
6、 all.(2) We had walked a long way before we found some water.(3) We had sailed for two days before we saw the land.(4) The fire lasted about four hours before the firefighters couldcountrol it.(5) It was midnight before my brother came home.(6) It was three months before they met again.3. 如果强调从句谓语动作
7、未发生,就发生主句谓语动作,只用beforeo常译为未及” 不”或不等就”例:(1) We can leave early in the morning before it gets too hot.(2) I must write it down before I forget it.(3) We do want to buy something now before prices go up.4表与其说倒不如” 与其毋宁”只用before。例:(1) I would give up my job before Id agree to be dismissed.(2) He will die
8、 of hunger before he will steal.5在某些特定句型中用before例如:(1) It was not long before the whole country rose up.(2) It will probably not be long before they understand each other.三、下列情况一般区别用 until 。1. 主句是持续性谓语动词时,肯定、否定都可以,但意义完全不同。肯定表动作终止, 而否定表动作开始。例如:We discussed the problem until/before he came bac我们一直讨论至U
9、他回 来。(2)We did nt discuss the problem un til he came back.我们一直等到他回来后才讨论问 题。2. notunti句型尽管在某些情况下可与 before互换用,但在强调句中一般仍用until。例如:(1) It was not until he told me that I knew it.(2) It was not until he finished his homework that he went home.综上所述,前面的4条选择题中,第1、3题强调动作发生的迟缓性应选 before。第 2题表动作未及发生就发生主句动作也应选b
10、eforeo第4题为强调句应选A项。二、 练习:在下列各句的空格中填入适当的连词1 he comes tomorrow, I shall ask where he has been.2he was speaking, everybody listened carefully.3I saw her just she was getting off the train.4Have a good look at that man you pass him.5It was already eight oclock we got there.6. I was about to go out a visi
11、tor came.7Well go to the country at the beginning of June, the summer harvest will start.8. He learned to speak German he was in Berlin.9. Henry is in charge of the office Mr. Smith is away.10. I listen to the recorder I have time.11. He had learned Chinese he came to China.12. the work was done, we
12、 sat down to sum up experience.13. I havent seen him he moved to the other side of the town.14. I waited he came back.15. It was not he took off his eyeglasses that I recognized him.16. She likes everything to be in place she starts to work.17. The thieves ran away they caught sight of the police.18
13、. They decided to go back home their money ran out.19. We played outside till sun set,it bega n to rain20. I get to the airport, I will phone you to pick me up.21. They were about to leave it began to rain.22. He always stay in bed lunch time.23. I like playing tennis my younger sister prefers watch
14、ing ball games.24. I understand your viewpoint, I don t agree with you.25. she grew older, she became more responsible.二、从 A、 B、 C、 D 中选出可以填入空白处的最佳答案。1. It was quiet those big trucks started coming through the town.A. before B. after C. until D. unless2. It seemed only seconds the boy finished washi
15、ng his face.A. when B. before C. after D. even if3. Hardly had he reached the school gate the bell rang.A. while B. when C. as D. as soon as4. you begin, I think you must continue.A. When B. Whenever C. Once D. Even if5. I remembered you I saw you at the airport.A. the moment B. while C. after D. on
16、ce6. He was about to go to bed the doorbell rang.A. while B. as C. before D. when7. I listen to your advice, I get into trouble.A. Every time B. When C. While D. Until8. John was watching TV, his wife was cooking.A. As B. As soon as C. While D. Till9. The childre n ran away from the orchard果 园)_ the
17、y saw the guard.A. the moment B. after C. before D. asKey:1. When2. While / When3.as4.when/as5. when6when7. when8. while9.while10.whenever11. before12After13. since14. till/until15.until16.before17. as soon as 18. before19. when20. As soon as21.when22. until23. while24While25. As、1. C 2. B 3. B 4. C
18、 5. A 6. D 7.A 8.C 9.Aif 引导的条件状语从句引导条件状语从句最常用的连词是if ,常见的 if 条件状语从句表示在某条件下,某事很可能发生,条件是可能存在的,主句中某种情况发生的概率也是很高的。如:If you ask him, he will help you.如果你请他帮忙,他会帮你的。If you fail in the exam , you will let him down .如果你考试不及格,你会让他失望的。If you have finished the homework, you can go home 女口果你作业做完了就可以回家了。另外, if 从句
19、还表示不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假 设。从句多用一般过去时或过去完成时,表示对现在或过去的一种假设。如:If I were you, I would invite him to the party .如果我是你,我会邀请他参加聚会。I would have arrived much earlier if I had not been caught in the traffic 要不是交通堵塞,我本会 来得早一些。if 条件状语从句的时态练习 填空(如认为此空不用填则用“ /”表示 ,一空可填多词) 1If hehe there in time. 如果他用跑的,
20、他就会及时赶到那儿。2. The cat scratch you if youpull her tail. 如果你拉猫的尾巴,它就会抓你。3If the fog the plane diverted. 如果雾在大一些,飞机可能就会改在别的机场降落。4.If it we out. 如果雪停了,我们就可以出去。5If you weight you . 如果你想减肥,你必须少吃面包。6If you ice it water. (也可用 will turn) 如果把冰加热,它就会化成水。7.lf you Peter youhim upstairs如果你是在找彼得,上楼就会找到他。8lf you din
21、ner l the waiter for the bill. 如果你吃完了,我就叫服务生来算账选择I. lf you to the party, youll have a great time. A. will go B. went C. go D. going2. lt will be a long time Peter his work.A. since, has finished B. after, finishes C. when, will finish D. before, finishes.3. What will father us from Japan? A. take B.
22、 bring C. carry D. make4. Weifang is famous kites. A. for B. to C. on D. with5 l her the answer if she me.A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks6. - What are you going to do tomorrow?-Well go to the library tomorrow if it _.A. isnt rain B. rain C. wont rai
23、n D. doesnt rain7. Do you know when he will come back tomorrow?-Sorry, l dont know. When he back, lll tell you.A. comes B. will come C. come D. may come8. What will you do if you to the old folk s home visit?A. go B. went C.going D. will go9. lf l eat food, lll be very fat.A. too many B. many too C.
24、 too much D. much too10. lll give the book to him if he _ here next Sunday.A. will come B. comes C. is coming D. cameII. There an English film in our school tomorrow.A. is going to have B. will have C. is going to be D. has12. Could you tell us where ?A. will the next Olympic Games heldB. the next O
25、lympic Games will be heldC. would the next Olympic Games be heldD. the next Olympic Games would be held13. When my mother returned last night, l a book.A. read B. am reading C. was reading D. am going to read14. What you when it began to rain?A. do, do B. were, doing C. are, doing D. did, do15. lll
26、wake you up when he back.A. will B. is going to come C. comes D. come1. runs will get 2. will / 3gets thicker may/might be 4. stops snowing can go 5 want to lose weight must/should eat 6 heat ice turns to water. (也可用 will turn)7. are looking for will find 8 have finished will ask for the bill1-5 CDB
27、AD6-10 DAACB11-15 CBCBCso, that 、 such, that 、so that一用 so,such 填空1. he wasexcited that he couldnt get sleep2. this teacher iskind that we all like him3. he ranquickly that we all couldnt catch up with him4. this isinteresting a book that we all ebjoy reading it5. they areintereting books that we al
28、l enjoy reading them6. he hasmany books that I cant count them7. this is an interesting book that we all enjoy reading it8. there was much food that we couldnt eat it all9. I have_little money that I cannot afford a car10. he is a good student that we alll like him.11. he is good a student that we a
29、lll like him.12. it was bad weather that he had to stay at home.13. Ive had many falls than im blick and blue all over二填空1. The little boy saved every coin he could buy his mothera present on Mothers day. 当球迷们看到贝克汉姆的时候,他们如此激动以致于大喊大叫。 ( 根据中文意思完成 句子,每空一词。 )( 北京市海淀区 )2. When the football fans saw Beckh
30、am, they gotexcitedtheycried out.3. David was so careless that he didnt find the mistakes in his test paper. ( 变 为简单句 )( 福州市 )David wascarelessfind the mistakes in his test paper.3. A:The boy is so young that he cant look after himself.B: The boy is notto look after himself.(改写句子,使 B句与 A句意思相近 )4. .
31、The stone is so heavy that I cant lift it up.It isa heavy stoneI cant lift it up.(改写句子 )5. The book isinterestingI want to read it again6. It wasa fine daywe couldnt wait to go out for a walk7. Jim is cleverhe can work out this difficult problem easily8. My cousin ranfast I couldnt catch up with him
32、9. He left ina hurryhe forgot to close the window10. They arelovely studentsthe teacher like them very much11. Mr Zhang isgood a teacherall the students like him12. Bob hasfew friendshe often feels lonely三单项填空。1. She bought a digital camera online she would save a lot of time. (扬州市)A.so that B.as so
33、on as C.no matter D.such that2. . fi n e day it is today! Yes,the sunshine isbeautiful thatrd like to go swimmi ng in the sea.(青岛市)A. How, such B. What a, very C. How, so D. What a, so3. The camera isexpensiveI cant afford it.(辽宁省)A. so, that B. such, that C. so, as to D. eno ugh, that4. . Miss Gao
34、asked a questi on, but it wasthat n obody could an swer it.A.very difficult B. too difficult C. difficult en ough D. so difficult5. To my surprise,he could get overdifficult problems that he succeeded atlast.A.soB.such一. 用so,such填空So so so so such so such so so such so such so二. 填空such, thatso that;
35、 so , that ; too , to ; oldeno ughso.that.;Such.that.;so.that.;so.that.;such.that.;such.that.;so .that.;so.that.三. 单项填空。ADDABAs引导让步状语从句倒装的用法为了帮助同学们全面掌握让步状语从句的倒装用法,本文将这类语法现象归纳为以下五种句 型:一、名词 + as / though+ 主语 + 动词King as he was he was unhappy.他虽是国王,但他并不幸福。Child as he is he knows to help other.他虽是个孩子,却知
36、道帮助别人。【说明】其中的动词通常为连系动词,也就是说位于句首的名词是其后连系动词的表语。 另外,要特别注意 位于句首的名词前习惯上不用冠词,即使其前有形容词修饰也不用冠词。 比较:Boy as though he is, he likes to play with girls.=Though he is a boy, he likes to play with girls.他虽是男孩,却喜欢与女孩子玩。Strong man as though he is,General Botha has been severely put to the test during the past few w
37、eeks.= Though he isa strong man, General Botha has been severely put to the test during the past few weeks.波赛将军虽然坚强,但在过去的数周里也受到了严峻的考验。二、形容词 + as / though+主语+动词Successfubs he is he is not proud.他虽然成功,但不骄傲。Improbable as it seems it s true.虽然看起来不太可能,但却是真的。Stupid as it sounds, I was so in love with her
38、that I believed her.尽管听起来很愚蠢,我是 如此爱她竟然相信了她的话。Patient as he was he didn t like waiting that long.他虽说有耐心,也不愿等这么长。Beautiful though the necklace was we thought it was over-priced. 那条项链虽然很漂亮, 我们认为价钱太高。【说明】其中的动词也通常为连系动词,也就是说位于句首的形容词是其后连系动词的、畐寸词 + as / though+ 主语 + 动词Much as I like Paris, I couldn t live t
39、here.尽管我喜欢巴黎,但我不能住在那里。Hard though they tried, they couldn t make her change her mind.尽管他们做了很大努力, 却没法让她改变主意。Fast as you read you can t fin ish the book in two days.尽管你读得很快,你总不能在两 天之内就读完这本书。He was unable to make much progress hard as he tried.尽管他做了努力,去卩未能取得很大 进步。【说明】有的词典将 much as作为习语看待,认为它是一个用以引导让步状语从
40、句的复 合连词。再如:Much as I admire him as a writer, I do not like him as a man.他作为一名作家我很佩服他, 但我却不喜欢他这个人。Much as I like you, I couldn t live with you.我尽管很喜欢你,却不能和你在一起生活。四、动词原形 + as / though+主语+动词Object as you may, I ll go.纵使你反对,我也要去。Try as he might, he couldn t solve the problem.尽管他想方设法,却未解决这个问题。Search as t
41、hey would, they would find nobody in the house.无论怎样搜查,他们在房子里 仍然没有找到一个人。Dislike him as we may, we must ack no wledge his great ness 尽管我们不喜欢他,但必须承 认他的伟大。Lose money as I did, we got a lot of experienee.钱虽然丢了,我们却得到了许多经验。Fail in the election as he did, he became famous for his fiery speech against slaver
42、y尽管落选 了,但他却以其反对奴隶制的激烈演说而出了名。【说明】主语后的动词通常为may, might, would, did等情态动词或助动词(若表示情态意义,则选用情态动词;若陈述事实,则用did, do等助动词)。五、分词 + as / though+ 主语 + 动词Raining hard as it is, I m going out for a walk.虽然正在下着大雨,我还是要出去散步。Surroun ded as we were by the en emy we man aged to march forward.虽然我们被敌人包围 着,但我们还是设法前进了。Munching
43、 the apple as he was he had got an eye for all John s movements.他尽管在一个 劲地嚼着苹果,但仍警惕着约翰的一举一动。【三条补充说明】1.这类倒装的让步状语从句可用 as, though来引导,不能用although来引导;但是,although来引导,而不能用as来引导。也就是说, as引导让步状语从句时必须倒装,而though引如:未倒装的让步状语从句却可用 though, although引导让步状语从句时不能倒装, 导让步状语从句时可以倒装也可以不倒装 虽然很晚了,但我们还是继续工作。正: Late as though i
44、t was, we still went on working.正: Though it was late, we still went on working.误:Late although it was, we still went on working .误: As it was late, we still went on working.2. 上面提到的倒装结构有时也可用来表示原因,区别的办法主要看句子的内容:让步从 句的内容大多数与主句在意义上相反,而原因从句则与主句之间有因果关系。比较:Tired as he was he sat up late studying at night
45、.昨晚他虽然很疲倦了,但还是学习到很晚 才睡。(表让步)Tired as he was he went to bed early.因为很累,所以他睡得很早。(表原因)You ng as he was he was equal to the task .他虽年轻,却能胜任这项工作。(表让步)You ng as he was he was n ot equal to the task.他因为年轻,所以不能胜任这项工作。 (表 原因)3. 在美国英语中,人们通常用as.as引导让步状语从句。如:Cold as it was, we went out.=As cold as it was, we we
46、 nt out.尽管天气冷,我们还是出 去了。Successful as he is he is not proud.=As successful as he,he is not proud.他虽成功了, 但不骄傲。As引导让步状语从句倒装的用法为了帮助同学们全面掌握让步状语从句的倒装用法,本文将这类语法现象归纳为以下五种句 型:一、名词 + as / though+ 主语 + 动词King as he was he was unhappy.他虽是国王,但他并不幸福。Child as he is he knows to help other.他虽是个孩子,却知道帮助别人。【说明】其中的动词通常
47、为连系动词,也就是说位于句首的名词是其后连系动词的表语。 另外,要特别注意 位于句首的名词前习惯上不用冠词,即使其前有形容词修饰也不用冠词。 比较:Strong man as though he is,General Botha has been severely put to the test during the past few weeks.= Though he isa strong man, General Botha has been severely put to the test during the past few weeks.波赛将军虽然坚强,但在过去的数周里也受到了严峻
48、的考验。二、形容词 + as / though+主语+动词Stupid as it sounds, I was so in love with her that I believed her.尽管听起来很愚蠢,我是 如此爱她竟然相信了她的话。Patient as he was he didn t like waiting that long.他虽说有耐心,也不愿等这么长。 【说明】其中的动词也通常为连系动词,也就是说位于句首的形容词是其后连系动词的表语。三、畐寸词 + as / though+ 主语 + 动词Much as I like Paris, I couldn t live there
49、.尽管我喜欢巴黎,但我不能住在那里。Hard though they tried, they couldn t make her change her mind.尽管他们做了很大努力, 却没法让她改变主意。【说明】有的词典将 much as作为习语看待,认为它是一个用以引导让步状语从句的复合连 词。再如:Much as I admire him as a writer, I do not like him as a man.他作为一名作家我很佩服他, 但我却不喜欢他这个人。四、动词原形 + as / though+主语+动词Object as you may, I ll go.纵使你反对,我也
50、要去。Try as he might, he couldn t solve the problem.尽管他想方设法,却未解决这个问题。Search as they would, they would find nobody in the house.无论怎样搜查,他们在房子里 仍然没有找到一个人。Dislike him as we may, we must ack no wledge his great ness 尽管我们不喜欢他,但必须承 认他的伟大。Lose money as I did, we got a lot of experienee.钱虽然丢了,我们却得到了许多经验。Fail i
51、n the election as he did, he became famous for his fiery speech against slavery尽管落选 了,但他却以其反对奴隶制的激烈演说而出了名。【说明】主语后的动词通常为may,might,would,did等情态动词或助动词(若表示情态意义,则选用情态动词;若陈述事实,则用 did,do等助动词)。五、分词 + as / though+ 主语 + 动词Surroun ded as we were by the en emy we man aged to march forward.虽然我们被敌人包围 着,但我们还是设法前进了
52、。Munching the apple as he was he had got an eye for all John s movements.他尽管在一个 劲地嚼着苹果,但仍警惕着约翰的一举一动。【三条补充说明】1.这类倒装的让步状语从句可用 as, though来引导,不能用although来引导;但是,未倒装的让步状语从句却可用though, although引导让步状语从句时不能倒装, 导让步状语从句时可以倒装也可以不倒装 虽然很晚了,但我们还是继续工作。although来引导,而不能用as来引导。也就是说, as引导让步状语从句时必须倒装,而though引如:正:Late as t
53、hough it was, we still went on working.正: Though it was late, we still went on working.误:Late although it was, we still went on working .误: As it was late, we still went on working.2. 上面提到的倒装结构有时也可用来表示原因,区别的办法主要看句子的内容:让步从 句的内容大多数与主句在意义上相反,而原因从句则与主句之间有因果关系。比较:Tired as he was he sat up late studying a
54、t night.昨晚他虽然很疲倦了,但还是学习到很晚才睡。(表让步)Tired as he was he went to bed early.因为很累,所以他睡得很早。(表原因)You ng as he was he was equal to the task .他虽年轻,却能胜任这项工作。(表让步)You ng as he was he was n ot equal to the task.他因为年轻,所以不能胜任这项工作。C原因)3. 在美国英语中,人们通常用 as.as引导让步状语从句。如:Cold as it was, we went out.=As cold as it was, w
55、e we nt out.尽管天气冷,我们还是出 去了。Successful as he is he is not proud.=As successful as he , he is not proud.他虽成功了, 但不骄傲。翻译:1. , he likes to play with girls.=, he likes to playwith girls.他虽是男孩,却喜欢与女孩子玩。2. 他虽然成功,但不骄傲。3. 虽然看起来不太可能,但却是真的。4. he necklace was weit was over-priced.那条项链虽然很漂亮, 我们认为价钱太高。5. 尽管你读得很快,你
56、总不能在两天之内就读完这本书。6. 尽管他做了努力,却未能取得很大进步。7. 我尽管很喜欢你,却不能和你在一起生活。8.hard as it is,步。I out for a walk. 虽然正在下着大雨,我还是要出去散答案: 1.Boy as though he is=Though he is a boy 2.Successful as he i,s he is not proud. 3.Improbable as it seems,it s true. 4.Beautiful though ,thought 5.Fast as you read, you can t finish the book in two days.6. He was unable to make much progress, hard as he
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