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中考英语专题复习状语从句考点讲解

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2021-02-02 00:25
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2021年2月2日发(作者:个人资料查询)


中考英语专题复习六:状语从句的考点讲解



【考点直击】



时间状语从句



导。




原因状语从句



条件状语从句



目的状语从句



结果状语从句



让步状语从句



比较状语从句



地点状语从句




when, as, while, before, after, since, till, not……until, as soon as


等连词来引









because, since, as, for, now that, etc.



if, unless


(除非)


,



in order that, so that,



so…that, so that, such…that,



though, although, even if, even though, however, whatever,



as…as, so…as, than,



where, wherever



【名师点睛】



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。状语从句可置主语之前,也可置于主语之后。前 置时,从句后用逗号与主句隔开;后置时,与主句之间


无标点符号。



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 hard when I 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.




when



as



while


的区别:



1



when


引导的从句的谓语动词可以是延续性的动词,又可以是瞬间动词。并且


when


有时表示“就在那


时”。





例如:



When she came in, I stopped eating.



她进来时,我停止吃饭。

(


瞬间动词


)



When I lived in the countryside, I used to carry some water for him.



当我住在农村时,我常常为他担水。


(延续性的动词)





We were about to leave when he came in.


我们就要离开,就在那时他进来 了。


(


瞬间动词


)


2



While


引导的从句的谓语动词必须是延续性的,并强调主句和从句的动作同时发生(或者相对应)


。并




< p>
while


有时还可以表示对比。



例如:





While my wife was reading the newspaper, I was watching TV.



(was reading


是延续性的动词,


was reading



was watching


同时发生


)





I like playing football while you like playing basketball.


我喜欢踢足球,而你喜欢打篮球。


(对比)



3



As


表示“一边… …一边”,


as


引导的动作是延续性的动作,一般用于主句和从 句动作同时发生;


as



< p>



以强调“一先一后。



例如:




We always sing as we walk.


我们 总是边走边唱。



as


表示“一边…… 一边”)



As we was going out, it began to snow.


当我们出门时,开始下雪了。




as


强调句中两个动作紧接着先后发 生,而不强调开始下雪的特定时间)



(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:


I’ll ring you up as soon as I get to New York.



I will tell him everything when he comes back.



He won’t believe it until he sees it with his own eyes.



< br>(3)


在带有


till



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。如果主句用否定式,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.



Let’s wait until the rain stops


.





We won’t start until Bob comes.




Don’t get off until the bus stops.



历年中考题:



( )1


. It’s quite common in Britain to say “Thank you” to the drivers


____people get off the


bus.


(2009·河南)



A. after B. since


C. until D. when



( )2. I will call you as soon as I ______ the ticket to the football match.


(2009·陕西绥


德)



A. will get



B. get






C. got





D. am getting



( )


’s raining, Daisy.


Please________ an umbrella with you.


(2009·深圳)



---


Thanks. I’ll return it to you


when I______ next week






A. take, come





B. take, will come


C. bring



come



D. bring, will come



( )4. Peter likes reading a newspaper____ he is having breakfast. (2010 .


河北省卷


,42. 1)



A. until




B. while




C. because



D. though



( )


students didn’t


realize the importance of study ___ they left school. (2010.


江苏省盐城



12. 1)



A. when



B. until




C. as




D. after



( ) should go over your test paper _____ you hand it in . (2010.


浙江省衢州市


23. 1)



A. before



B. though



C. because


D. as soon as



( )


say


it


may


be


a


few


years


______it


is


possible


to


test


the


new


medicine


on


patients.


(2010.


江苏省无锡市


.12. 1)



A. because



B. after




C. before




D .since



( ). Brown knew nothing about the good news ______his wife told it to him. (2010


广西南宁


32. 1




A.



before



B. after




C. since




D. if



( )


won’t start the meeting ______our teacher arrives.


(


2010·天津市,

41



1




A.



though



B. until




C. while




D. or





条件状语从句



(1)


条件状语从句通常由


if, unless=if



not


引导。 例如:



What shall we do if it snows tomorrow



Don’t 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:



I’ll help you with your English if am free tomorrow.



He won’t 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 you’ll be late.



=If you don’t hurry up, you’ll be late.



Study hard and you will pass the exam.



=If you study hard, you will pass the exam.




If



w hen


双面孔:



区分


if



when


引导宾语从句 和状语从句的不同:



When


引导时 间状语从句的时候意为“当…的时候”


,引导宾语从句的时候意为“什么时候”




If


引导条件状 语的时候意为“如果”


,引导宾语从句意为“是否”




( )1.



Mike wants to know if ___ a picnic tomorrow







Yes. But if it ___, we'll visit the museum instead



A. you have; will rain


B. you will have; will rain



C. you will have; rains


D. will you have; rains



( )2.



Do you know when he ___ back tomorrow







Sorry, I don't. When he ___ back, I'll tell you



A. comes; comes



B. comes; will come



C. will come; comes


D. will come; will come



历年中考题:



( )1. Tommy, do you know if Frank ______ to the zoo this Sunday if it _______


(2009·湖北孝


感)





Sorry, I have no idea.



A. will go; is fine












B. goes; is fine


C. will go; is going to be fine







D. goes; will be fine



( )2. If I find his phone number, I ______ you.



2009.


北京)



A. tell



B. told






C. will tell




D. have told



( )3.


I


bet


Mrs.


Black


will


come


to


help


us


with


the


celebration


if


she


______


too


busy


tomorrow.


(2009·吉林通化)



A. is B. will be




C. won’t be




D. isn’t



( )4.



David, turn off the TV________ no one is watching it



(2009·深圳)




But it_______ off already



The music is from the radio




A. so that , has been turned






B. when, has turned


C. if, has been turned








D. because, has turned



( )


don’t know if i


t ______ tomorrow. If it


______,we won’t go on a picnic.


(2010.


四川省


内江市


39. 1)



A. rains; rains



B. will rain rains C. will rain; will rain



( )6.



Could we play football in your playground, Sir (


2010·江苏省扬州市,



41






--No, _____


you have the principal’s note.



A. if




B. unless




C. because




D. since



( ) hear Jack Chan will come to Laiwu next week. (


2010·山东省莱芜市,

27



1




--Really _______ he comes, my younger sister will be very happy,




A



If



B



Until C



Unless




D



Bef ore





原因状语从句



(1)


原因状语从句通常由


because, since, as


引导。例如:



He didn’t come to school because he was ill.



As it is raining, we shall not go the zoo.



Since you can’t answer the question, I’ll 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。回答由


why


提出的问


题,只能用


because



As



since


语气较弱,一般用来表示明显 的原因。由


as



since


引导的原因状语



j


句 多放在句首。例如:



------


Why aren’t going there



------


Because I don’t


want to.



As he has no car, he can’t get there easily.



Since we have no money, we can’t buy it.


-


-


-


-


-


-


-


-



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