高中英语复习-状语从句(完整版)课件.ppt

1、状语时用来修饰状语时用来修饰 词词， 词词， 词词或或 的一种句子成分。它可以表示时间、地点、的一种句子成分。它可以表示时间、地点、原因、目的、结果、条件、让步、比较、方式等。原因、目的、结果、条件、让步、比较、方式等。当充当状语的部分是一个句子时，也就是状语从当充当状语的部分是一个句子时，也就是状语从句。句。分类如下：分类如下：动动形容形容副副句子句子状语从句状语从句1. 时间时间状语从句状语从句2. 地点地点状语从句状语从句3. 原因原因状语从句状语从句4. 条件条件状语从句状语从句5. 让步让步状语从句状语从句6. 目的目的状语从句状语从句7. 结果结果状语从句状语从句8. 方式方式状语

2、从句状语从句9. 比较比较状语从句状语从句引导词可分为两部分引导词可分为两部分 as while when whenever before after until (till) since as soon asevery timenext timethe first/timethe momentthe minute/instantlyimmediatelydirectly(一一就就) as引导的时间状语从句引导的时间状语从句, 可以表达可以表达“正当正当”， “一一 边边一边一边”，“随着随着”等意思。等意思。1. 表示某事一发生，另一事立即发生。表示某事一发生，另一事立即发生。 As the

3、 sun rose, the fog disappeared. 2. 表示在某事发生的过程中，另一事发生。表示在某事发生的过程中，另一事发生。 Just as he was speaking there was a loud explosion. 3. 表示两个动作同时发生。表示两个动作同时发生。 Helen sang a song as she washed. 4. 表示表示“随着随着.”.常指一个行为是另一个行为的结果，常指一个行为是另一个行为的结果，或一种状态随另一种状态变化。句中的动词多表示状态或一种状态随另一种状态变化。句中的动词多表示状态的发展变化。的发展变化。As she gre

4、w older, she became more beautiful. 1. as, while , when的区别的区别while:持续性动词持续性动词 进行时进行时一般或现在情况一般或现在情况将来情况将来情况V一般现在时或现在进行时一般现在时或现在进行时过去情况过去情况e.g. I like listening to music while I am doing my homework.e.g. Im going to the post office. - While you are there, can you get some stamps for me?e.g. I hurt my

5、should while I was doing gym.While I was walking down the street, I came across an old friend. ( while=_)While I really dont like art, I find his work impressive. ( while =_ )While there is life there is hope. (while = _ )He likes pop music, while I am fond of folk music. whenalthough as long asWhil

6、e 在句中的不同含义在句中的不同含义:when: 持续性非持续性动词都可持续性非持续性动词都可当当时时正在正在忽然忽然e.g. When I first saw her, I fell in love with her. -When did you get home? -It was eight oclock when I got home.1)They were walking down the street when they saw an accident.2) I was about to go swimming when our guide stopped me.尽管虽然鉴于如果届时

7、尽管虽然鉴于如果届时e.g. He walks when he might take a taxi. The Queen will visit the town in May, when she will open the new hospital. How can you hope for mercy yourself when you show none? How could I live in Los Angeles when all my favorite people live here?虽然虽然届时届时如果如果鉴于鉴于, 既然既然 when 还有一些较为灵活的翻译还有一些较为灵活的

8、翻译:before引导的时间状语从句引导的时间状语从句 before引导的时间状语从句，常译为引导的时间状语从句，常译为“在在之前之前”，表示主句的动作发生在从句的动作之前。表示主句的动作发生在从句的动作之前。 We clean the classroom before we leave school every day. It will not be long before you regret for what youve done. after引导的时间状语从句引导的时间状语从句 after引导的时间状语从句，常译为引导的时间状语从句，常译为“在在之后之后”，表示主句的动作发生在从句的动

9、作之后。表示主句的动作发生在从句的动作之后。 After you use plastic bags, you mustnt throw them about. since引导的时间状语从句引导的时间状语从句 since引导的时间状语从句，常译为引导的时间状语从句，常译为“自从自从”，主句常用现在完成时，从句常用一般过去时。主句常用现在完成时，从句常用一般过去时。 例句翻译：我们自从分手以后一直没见过面。例句翻译：我们自从分手以后一直没见过面。We havent seen each other since we parted. 常用句型：常用句型：It has been (is) + 时间段时间

10、段 + since从句从句 “自从自从有多长时间了有多长时间了 ”例句翻译：自从她大学毕业已经有六年时间了。例句翻译：自从她大学毕业已经有六年时间了。It has been (is) six years since she graduated from the university. until/ till引导的时间状语从句引导的时间状语从句 until / till 引导的时间状语从句，常译为引导的时间状语从句，常译为“直到直到时时”，表示主句动作发生在从句之前。表示主句动作发生在从句之前。 当主句谓语动词是延续性动词时，主句常用肯定形式。当主句谓语动词是延续性动词时，主句常用肯定形式。例句

11、：我会待在这里，直到你回来。例句：我会待在这里，直到你回来。Ill stay here until you come back. 当主句谓语动词是非延续性动词时当主句谓语动词是非延续性动词时, 主句常用否定形式。主句常用否定形式。 not until“直到直到才才”，这时，这时until 可用可用before替换。替换。He didnt go to bed until he finished his homework. 例句：他直到做完作业才睡觉。例句：他直到做完作业才睡觉。as soon as引导的时间状语从句引导的时间状语从句 as soon as 引导的时间状语从句，译为引导的时间状语从

12、句，译为“一一就就”，表示从句动作一发生，主句的动作马上就发生。表示从句动作一发生，主句的动作马上就发生。 例句：例句：他一回来我就告诉他这件事他一回来我就告诉他这件事。I will tell him about it as soon as he comes back. 相当于相当于as soon as 用法的词或短语还有用法的词或短语还有 the moment, the minute等等. 2.Ill give him your message the minute he arrives. 1.The moment I had done it, I knew I had made a mis

13、take. 名词短语名词短语引导的时间状语从句引导的时间状语从句the time, the hour, the day, by the time, each time, every time, next time, any time等等也可以引导时间状语从句。也可以引导时间状语从句。I thought her nice and honest the first time I saw her. By the time you arrived, the lecture had already ended. By the time he comes, we will already have lef

14、t.其他连词其他连词引导的时间状语从句引导的时间状语从句 no sooner than, hardly/ scarcely/ barelywhen引导引导时间状语从句时间状语从句,从句用一般过去时，主句用过去完成时。从句用一般过去时，主句用过去完成时。当当no sooner, hardly/ scarcely/ barely位于句首时，主句要位于句首时，主句要用部分倒装。用部分倒装。I had no sooner begun to talk than he rang off. No sooner had I begun to talk than he rang off. 我还未来得及讲话，他就

15、挂断了电话。我还未来得及讲话，他就挂断了电话。1. I was so familiar with him that I recognized his voice _ I picked up the phone. A. while B. after C. in case D. the minute2. How long do you think it will take _ our product becomes popular with the consumers A. when B. until C. before D. since3. _ the day went on, the weat

16、her got worse. A. With B. since C. As D. While4. He was halfway through his meal _ a familiar voice came to his ears. A. why B. where C. when D. while地点状语从句用连接副词地点状语从句用连接副词 where或或wherever (在任何地方在任何地方) 引导。引导。e.g. a. Just stay where you are. b. Where there is a will, there is a way. c. You can sit wh

17、erever you like. d. Wherever you go, Ill be right here waiting for you.1.When he reads a book, his habit is to make a mark _ the meaning is unclear to him. A. there B. wherever C. the place D. in which原因状语从句原因状语从句表示主句中的某一动作或状态所表示主句中的某一动作或状态所发生的原因。引导这种从句发生的原因。引导这种从句 常用的连接词是：常用的连接词是：because, as, since

18、, now that, for,和和considering that, seeing that 这七个连词都用于表示表示原这七个连词都用于表示表示原因因, 但在语气上一个比一个弱。但在语气上一个比一个弱。e.g. He didnt come to school because he was ill.c.f. He might be ill, for he didnt come to school.表示表示“直接直接”原因。原因。表示表示“间接的推断间接的推断”原因原因.不可出现在句首。不可出现在句首。because, since, as, for的区别的区别:because直接原因，非推断语气

19、最强直接原因，非推断语气最强 回答回答why的问题。的问题。since 通常放句首译为通常放句首译为“既然既然”as 不谈自明的原因不谈自明的原因，语气最弱。，语气最弱。for 放句中，引导后半句表原因放句中，引导后半句表原因, 或补充推断或补充推断 的理由的理由。1. I danced in front of the people _ I liked it.2. Youd better wear strong shoes _ well do a lot of walking.3. _ he was not well, I decided to go without him.4. _ ever

20、ybody know about it, I dont want to talk any more.5. He must be ill, _ he is absent Today.6. Some people believe that _ oil is running out, the fate of the motor industry is uncertain.becauseasAsSinceforsince 条件状语从句表示主句中的某一动作或状态条件状语从句表示主句中的某一动作或状态是在什么情况或条件下发生的。条件状语从句是在什么情况或条件下发生的。条件状语从句中通常用一般现在时表示将来

21、。中通常用一般现在时表示将来。条件状语从句由从属连词引导：条件状语从句由从属连词引导：if, unless (除除非非), as / so long as (只要只要), once ( 一旦一旦), in case (假使假使) , e.g. a.Well come over to see you on Saturday if we have time.b. We should serve the people as / so long as we live.1. We will be able to get there on time, _ our car doesnt break down

22、 on the road.A. as soon as B. as far asC. as long as D. as well as2. In time of serious accidents, _ we know some basic things about first aid, we can save lives.A. whether B. untilC. if D. unless3. _ you have tried it, you cant imagine how pleasant it is. A. Unless B. Because C. Although D. When _

23、you touch an English person, you should say “sorry”. _ they are dirty, certain seas are not able to clean themselves. _ we dont lose heart, well find a way to overcome the difficulty. Dont touch anything _ your teacher tells you to. IfOnceAs long asunless 在复合句中表示让步概念的状语从句被称为让步状语在复合句中表示让步概念的状语从句被称为让步

24、状语从句。从句。1.常用引导词：常用引导词：though, although, even if, even though,2.no matter + 疑问词疑问词(what/ who/ where/ when/ which/ how) 无论什么无论什么/无论谁无论谁/无论哪里无论哪里/.3.疑问词疑问词-ever (whatever, whoever, wherever, whenever,however, whichever) 无论什么无论什么/无论谁无论谁/无论哪里无论哪里/.though, although 判断以下句子是否正确：判断以下句子是否正确：Although he is ric

25、h, but he is not happy. Although he is rich, yet he is not happy. Although we have grown up, our parents still treat us as children. 要点归纳：要点归纳：though, although当当“虽然虽然”讲讲, 都不能和都不能和 but 连用连用. 但是他们都可以同但是他们都可以同yet (still) 连用连用. ever if, even thougheven if 和和 even though 表示表示“ ” 即使即使Well make a trip even

26、 though the weather is bad. as引导让步状语从句引导让步状语从句 as 引导的让步状语从句，必须将从句中的引导的让步状语从句，必须将从句中的 、 、以及谓语中的以及谓语中的 提前至从句句首，作表语的单数提前至从句句首，作表语的单数可数名词前如有冠词，冠词需可数名词前如有冠词，冠词需 。 表语表语状语状语实意动词实意动词省略省略Though he works hard, he makes little progress. Hard as/though he works, he makes little progress. Though he was a child,

27、he knew what was the right thing to do.Child as/though he was, he knew what was the right thing to do. Though you may object, Ill go.Object as you may, Ill go. whether or , whether () or notwhether or , whether or not 表示表示“不论是否不论是否”，“不管是不管是还是还是”。其引导的从句旨在说明正反两。其引导的从句旨在说明正反两方面的可能性都不会影响主句的意向或结果。方面的可能性都

28、不会影响主句的意向或结果。Whether you believe it or not, it is true. Youll have to attend the party whether you are free or busy. while 也可以引导让步状语从句，意为也可以引导让步状语从句，意为“尽管尽管”，语气比，语气比though/ although弱。其引导的从句一般位于弱。其引导的从句一般位于 。句首句首例句：我尽管喜欢它的颜色，但不喜欢它的形状。例句：我尽管喜欢它的颜色，但不喜欢它的形状。While I like its color, I dont like its shape

29、. no matter + 疑问词疑问词 疑问词疑问词-everNo matter what happened, he would not mind. Whatever happened, he would not mind. 替换：替换：no matter what = whatever no matter who = whoever no matter when = whenever no matter where = wherever no matter which = whichever no matter how = however 判断正误：判断正误：No matter what

30、you say is of no use now. Whatever you say is of no use now. 归纳：归纳：no matter+疑问词不能引导主语从句和宾语从句，疑问词不能引导主语从句和宾语从句，而而 “疑问词疑问词+ever”则可以则可以 1._ I accept that he is not perfect, I do actually like the person. A. While B. since C. Before D. Unless2. The workers are determined to go through with their railwa

31、y project, _ the expenses have risen. A. as long as B. even though C. now that D. as though3. I really want the match, however much _. A. does it cost B. costs it C. will it cost D. it costs4. _ we have finished the course, we shall start doing more revision work. A. For now B. Now that C. By now D.

32、 until5. _, the idea of having to work under a woman defeated him. A. Wanting the job very much B. Although wanting the job badly C. Though he wanted the job very much D. He wanted the job badly引导目的状语从句的连词引导目的状语从句的连词:in order that 用于正式文体中，所引从用于正式文体中，所引从句可于主句前或后。句可于主句前或后。so thata. 较常用，一般用于主句后较常用，一般用于

33、主句后,有时有时可分开，可分开，so 有时可省有时可省; 从句中从句中要有要有情态动词情态动词, 否则否则, 就成为下一种句型：就成为下一种句型：b. 无无情态动词则引导情态动词则引导结果状语结果状语从句。从句。for fear that; in case; lest (以免以免)等。等。e.g. a. Well sit nearer the front so that we can hear better. b. I shall write it down lest I should forget. 注意：注意：当从句与主句的主语一致时，可用当从句与主句的主语一致时，可用 so as to

34、do 或或 in order to do e.g. He ran fast so that he might arrive there before ten oclock. He ran fast so as to arrive there before ten oclock.结果结果状语从句常位于主句之后，由状语从句常位于主句之后，由 so, so that, such that; so that 等引导。等引导。 a. So quickly did he run that I couldnt catch up with him. b. The bus broke down so that

35、we had to walk home. c. She is such a good teacher that everyone admires her.d. He got to the station finally, only to find the train had left.描述主句动作进行方式的状语被称为方式描述主句动作进行方式的状语被称为方式状语。通常用下列词语引导状语。通常用下列词语引导: as, just as, as if, as though, the way (that), in the way (that)等。等。 a. We must do as the Party

36、 tells us. b. Leave the things as they are. c. Most plants need sunlight just as they need water. d. It sounds as if it is raining. e. They did it in a way that I had never seen before. 他们以我从没见过的方式行事。他们以我从没见过的方式行事。 f. As water is to fish, so air is to man. 我们离不开空气，犹如鱼儿离不开水我们离不开空气，犹如鱼儿离不开水比较状语从句常由下列词

37、语引导：比较状语从句常由下列词语引导： as as, not so / as as, morethan, less than, the more + adj. / adv., the more + adj. / adv.a. He is not so / as healthy as his brother. b. They jumped up and down as hard as they could. c. John is less clever than Peter.d. The busier he is, the happier he feels.e. The job is not s

38、o difficult as I thought it would be.f. Send for a doctor as soon as (it is ) possible.1.Roses need special care _ they can live through winter. A. because B. so that C. even if D. as2. If things are left _ they are, the problems will never be settled, Im afraid. A. how B. as C. what D. where3. Care

39、ful surveys have pointed out that as many as 50 percent of the patients do not take drugs _ directed. A. like B. so C. which D. as4. I dare not go there _ my parents will see me. A. in case of B. for fear of C. in order that D. for fear that 注意区分不同从句：引导的是什么从句，不仅要注意区分不同从句：引导的是什么从句，不仅要根据连词，还要根据根据连词，还要

40、根据句子结构和句意句子结构和句意来判别。以来判别。以where和和as为例，能引导多种从句。为例，能引导多种从句。1. You are to find it where you left it.（地点（地点状语从句）状语从句）2. Tell me the address where he lives. （定语从句，句中有先行词）（定语从句，句中有先行词）3. I dont know where he came from.（宾语（宾语从句）从句）4. Where he has gone is not known yet. （主语从句）（主语从句）5. This place is where th

41、ey once hid. （表语从句）（表语从句）“as” 用于不同的状语从句中用于不同的状语从句中1. She sang as she worked. 2. Smart as he is ,he doesnt study hard.3. You must try to do as I did.4. She doesnt do her work as carefully as I.5. As she was late for class, she had to say sorry. 部分状语从句可用省略形式：部分状语从句可用省略形式： even if, if , once, while, th

42、ough, unless, when, as if etc.1.The flower his friends gave him will die unless (it is) watered every day.2.Even if (I am) invited, I wont go there.3.Once (you are) caught sleeping in class, youll be punished by your head-teacher .4.Though (he was) surprised to see us, he gave us a warm welcome.5.She wont speak to anyone unless (she is) asked to.6.When (it is) compared with the old one, our new house is really like a palace. 7.These young man volunteered to go wherever (they are) needed.