原因结果目的状语从句讲解和练习和答案

1、状语从句总结、原因状语从句(1) 原因状语从句通常由 because, since, as, for引导。(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。回答由why 提出的问题，只能用 because 。此外， because 和 so 不能同用在一个句子里。例如： Why aren t going there? Because I don t want to.since 引导原因状语从句，相当于 now that ，意思是“因为，既然， 鉴于 ”。 例如： Since the rain has stopped， let s go for

2、a walk.既然雨停了，我们出去散散步吧。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。 例如 ：As he has no car, he can t get there easily.Since we have no money, we can t buy it.(3)for 表示所说的理由是一种补充说明 ,for 引导的从句一般不放在句子的开头。如练习：I decided to stop and have lunch, for I was feeling quite hungry.I was late for class

3、yesterday there was something wrong with my bike.He took off his coat he felt hot.you can t answer the question, I ll asksomeone else.二、结果状语从句(1) 结果状语从句由 so that, such that, so that引导。（2）so that 语 such.that 可以互换。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

4、glad that he couldn t say a word.Mother lives so far away that we hardly ever （几乎不，从来不） see her. 在由 such that 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；其结构是 : “ .such +a / an +形容词 +名词 + that + 从句”。例如： It was such a hot day that nobody wanted to do anything.He had such long arms that he could

5、 almost touch the ceiling.（天花板）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. .下载可编辑(3) 如果名词前由 many, 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

6、the wild roses. He has so little time that he can t go to the cinema with you.(4) 如果主从句的主语相同，并且从句是否定的形式，可以用too.to.句型转化。例如： He was so excited that he couldnt go to sleep that night. = He was too excited to go to sleep.(5) 如果主从句的主语相同，但从句是肯定的形式，可以用 adj.+ enough 替换。例如：He is so old that he could go to sc

7、hool. = He is old enough to go to school.他够大了，可以去上学。练习：It is _ hot in the room _ wehave to go out for a walk.It wasa wonderful movieall of us wanted to see it again.Therewere littlewater in the bottle the bird couldn t reachit.三、目的状语从句(1) 目的状语从句通常由 so that, in order that (为了，以便)引导。 例如： We started ea

8、rly so that we could catch the first train.We used the computer in order that we might save time.(2)so that 可引导目的状语从句，此时可用 to 或 in order to 替换 , 将其改为简单句。 例如： He got up early so that he could get to school on time.=He got up early ( in order ) to get to school on time.(3) so that 既可引导目的状语从句，又可引导结果状语从

9、句。区别这两种从句的办法有两个：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： Speak clearly so that they may understand you. (目的状语从句 )Jack is badly ill so that he has to rest.( 结果状语从句 )练习： I hurriedI wouldnt be late for class.We should go by bus _ we can get there earlier.May I sit nea

10、rer I can see more clearly?(4) 补充：so as to ( 肯定结构 )eg. He got up early so as to catch the early train.so as not to ( 否定结构 ) eg. He got up early so as not to miss the early train. .下载可编辑 . .to eg. He got up early to catch the early train.in order that eg. He got up early in order that he could catch

11、the early train.in order to eg. He got up early in order to catch the early train.Translateso that 以便；为了 他阅读更多书，以便他能知道更多知识。 我们努力学习是为了我们能有一个好的未来 我起得早是为了能赶上早一点的班车。 请打开窗户以便我们能呼吸新鲜空气。 你现在一定要走是为了不迟到。 小男孩节省每一个硬币是为了他能在母亲节给他妈妈买一份礼物。她在网上购买了一部手机以便她能打电话。 说得清楚些 , 使得他们能听懂你的意思 . 拿近一些 , 好让我看得更清楚些。 我们现在就准备好，等父亲一来我们

12、就可以走了。so.that.如此（太）以致我太累了 , 以致我一吃完晚饭就去睡觉了。 她太漂亮了以致很多人喜欢她。 咖啡太热了以致于我现在不能喝。 她如此年轻以致她不能照顾好她自己。 男孩跑得太快了以致我不能追上他。 他太饿了以致他不能说一个字。 男人太强壮了以致他可以抬起这个重箱子。 箱子太轻了以致他能背起它。 他病得很厉害 , 今天无法上学。 这个小孩以前经常撒谎，以至于现在没有人相信他。 她很伤心以至于她伤心地哭了。 那门太小了，以至于这只熊走不进去。. .下载可编辑Translate answersso that 以便；为了他阅读更多书，以便他能知道更多知识。我们努力学习是为了我们能有

13、一个好的未来我起得早是为了能赶上早一点的班车。请打开窗户以便我们能呼吸新鲜空气。He reads more books so that he can lean more knowledge.We study hard so that we can have a good future.I got up early so that I could catch the early bus.Please open the window so that we can breathe fresh air.你现在一定要走是为了不迟到。You must go now so that you wont be

14、late.小男孩节省每一个硬币是为了他能在母亲节给他妈妈买一份礼物。The little boy saved every coin so that he could buy his mother a present on Mothers day. 她在网上购买了一部手机以便她能打电话。 I ll give you all the facts so that you can judge for your self 说得清楚些 , 使得他们能听懂你的意思 . Speak clearly, so that they may understand you拿近一些 , 好让我看得更清楚些。 Bring

15、it nearer so that I may see it better 我们现在就准备好， 等父亲一来我们就可以走了。 Lets get ready now so that we can leave when Father comesso.that.如此（太）以致我太累了 , 以致我一吃完晚饭就去睡觉了。I was so tired that I went to bed as soon as I hadsupper.她太漂亮了以致很多人喜欢她。She is so beautiful that many people like her.咖啡太热了以致于我现在不能喝。He coffee is

16、so hot that I cant drink now.她如此年轻以致她不能照顾好她自己。She is so young that she cant look after herself.男孩跑得太快了以致我不能追上他。The boy ran so fast that I couldnt catch him.他太饿了以致他不能说一个字。He was so angry that he couldnt say a word.男人太强壮了以致他可以抬起这个重箱子。The man is so strong that he can lift the heavy box.箱子太轻了以致他能背起它。The

17、 box is so light that he can carry it. .下载可编辑他病得很厉害 , 今天无法上学。He was so ill that he couldnt go to school today这个小孩以前经常撒谎， 以至于现在没有人相信他。 The child often told lies so that no one believes him now.她很伤心以至于她伤心地哭了。She is so angry that she cried sadly.那门太小了，以至于这只熊走不进去。 The door is so small that the bear can

18、t go inside.强化练习、单项选择。ArainB rainsC is rainingD will rain1 We ll stay at home if it tomorrow.2 We didn t go home we finished the work.AsinceB untilC becauseD though3 She when I went to see her.A is readingB have readC was readingDreads4 the rain stops, we ll set off for the station.A BeforeB UnlessC

19、 As soon asD Though5 She looks forward every spring to the flower-lined garden.A visitB paying a visitC walk inD walking in6 Mr. White hoped he China the next year.D hasA would visitB will visitC visited visitedin the east.7 I told him that the sunA risesB roseC has risenD wasrisingDso,8 She was tir

20、ed she could not move an inch.Aso, thatB such, thatC very, thatas9 He was sentenced to deathwhat he had stolen from the bank.A thatB sinceC becauseD because of10I didn t know what A was the matterB is the matterC the matter wasD thematter is. .下载可编辑11 I couldn t agre e with at the meeting.A that you

21、 said you saidB which you saidC what did you sayD what12 The bad man ran away to avoid and was finally put into prison.AseeingB to be seenCbeing seenDto becaught13 Everyone except Jim and Jack .A know who is heB know who he isC knows who is heD knows who he is15 It is ten years _ I left my hometown.

22、AsinceBIfCwhetherDuntil16 Could you tell us _ Mr. Brown lives in Room 202？AthatB whereCuntilDif17 I learned a little Russian I was at middle school.AthoughBalthoughC as ifDwhen18 I don t know _ or not it will rain tomorrow.A thatB WhenCifD whether19 Why is their classroom so clean and tidy？ it is cl

23、eaned every day.A SinceB AsCBecauseDFor20 Can you tell me is going to give us a talk next Monday ？AwhoBwhom C whoseD what so; as21. Please answer the question in a loud enough voice A. so, thatB. or22. Lift it up_I may see it.A. thoughB. so that23. I hurried_I wouldnt be late for class.A. soB. so th

24、atunless24. We should go by bus _ we can get there earlier. A. as soon as B. where25. The dictionary is so expensive _ I cant buy it.A. becauseB. when26. I got there _ late _ I didnt see him.A. too; toB. such; thatC. in order thatD. andC. asD. thanC. ifD.C. in order thatD. asC. thatD. ifC. so; thatD.all