市永福县三皇九年级英语状语从句专题复习外研.doc

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1、市永福县三皇九年级英语 状语从句专题复习 外研版【考点直击】1. 时间状语从句2. 条件状语从句3. 原因状语从句4. 结果状语从句5. 比拟状语从句6. 目的状语从句7. 让步状语从句8. 地点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，比拟状语从句，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 rain

2、ing hard when got to school yesterday.While he was doing his homework, the telephone rang.As he walked along 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 rin

3、g you up as soon as I get to New York.I will tell him everything when he comes 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.Lets wait unti

4、l the rain stops. We wont start until Bob comes. Dont get off until the bus stops.when引导的时间状语从句的谓语动词可以是可延续的，也可以是表短暂性动作的动词，从句动作先于主句动作.When the film ended, the people went back.When I lived there, I used to go to the park on Sundays.while引导的动作必须是持续性的，侧重主句动作和从句动作相比照。可用于主句和从句动作同时发生.While he was writing,

5、 his wife was reading .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，谓语动词通常用现在时态表示将来的动作或状态。例如：Ill help you with your English if I 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

6、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. 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 go the zoo.Since you

7、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。(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.She is such a good teacher that everybody likes her.My penci

8、l 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 that we hardly ever see her.在由suchthat引导的结果

9、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。.such +a/an+形容词+单数可数名词+ that + 从句. .such +形容词+复数可数名词/不可数名词+ 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 almost touch the ceiling.He made such rapid progress t

10、hat he did very well 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

11、it.(3)如果名词前由many, much, little, few等词修饰时，只能用so, 不用such。结构：1、so +many/ few+复数可数名词 +that + 从句2、so +much/ little+不可数名词 +that + 从句例如：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 with you.5. 目的状语从句(1)目的状语从句通常由 so that, in order that引

12、导。例如：We started early so that we could catch the first train.He studies hard so that he could work better in the future.We used the computer in order that we might save time.(2)so that既可引导目的状语从句，又可引导结果状语从句。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：Speak clear

13、ly 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)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.(2)although(though)与but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

14、 went out.应该说：Though it was raining hard, he still went out.或It was raining hard, but he still went out.【实例解析】 1.You will stay healthy _ you do more exercise, such as running and walking. A. if B. how C. before D. where 答案：A。该题考查的是引导状语从句的附属连词的选择。从意思上看，从句应是一个条件状语从句，在这四个选项中只有if能引导条件状语从句，所以选A。 2. -Shal

15、l we go on working? -Yes, _ I prefer to have a rest. A. when B. if C. because D. though 答案：D。该题考查的是引导状语从句的附属连词的选择。从意思上看，只有选though才能说得通。 3.None of us knew what had happened _ they told us about it. A. when B. until C. after D. though 答案：B。该题考查的是引导状语从句的附属连词选择。本句的意思是“在以前我们没人知道这件事。要表达着一意思应用“notuntil 这一句

16、型。 4.-I hope youll enjoy your trip, dear! -Thank you, mum. Ill give you a call _ I get there. A. until B. as soon as C. since D. till 答案：B。该题考查的是引导状语从句的附属连词的选择。此题的意思是“一到那里，我就给你打 。要表达这个意思应选用as soon as。【中考演练】一. 单项填空1. _ hes old, he can still carry this heavy bag. A. Though B. Since C. For D. So2. -Do

17、you know if he _ to play basket ball with us? -I think he will come if 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 fal

18、l; help D. falls; helping4.The drink is _ delicious _ I enjoy it very much .A. too , to B. such , that C. too ,that D.so . 5. 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 tur

19、ned green. A. not; before B. dont; when C. not to; until D. not; after7. I 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, _ t

20、he _ mistakes you will make. A. careful; little B. more careful; fewest C. 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. He too

21、k off his coat _ he felt hot. A. because B. as C. if D. since13. It is _ that wed like to go out for a walk. A. a lovely day B. too lovely a day C. so lovely a day D. such lovely a day14. Mary had _ much work to do that she stayed at her office all day. A. such B. so C. too D. very15. _ I felt very tired, I tried to finish the work. A. Although B. Because C. As D. As if16. Write to me as soon as you _ to Beijing. A. will get B. get C. getting D. got