状语从句的常考知识点

状语从句的常考知识点作状语的句子就叫状语从句。按其作用和意义可分为时间、地点、原因、目的、结果、条件、让步和比较等多种，它涉及的内容很多，是中考命题的热点和重点。笔者通过研究近几年的中考试题发现，中考主要从引导词的选择和使用、状语从句的时态、同义引导词的用法区别以及一些特殊的结构等几个方面对状语从句进行考查。现结合2011年的中考试题，对2012的中考热点进行预测盘点，帮助你从整体上把握这一内容，做题时能够举一反三，得心应手。【考点预测一】连词的选择使用【精讲点拨】时间状语从句通常由when,while,as,since,before,after,as soon as,until,till等词引导；条件状语从句通常由if或unless来引导；原因状语从句的常用连接词是because,since, as;让步状语从句由though或although来引导；结果状语从句的常用连接词有so that,sothat,suchthat比较状语从句由asas,not soasas引导。状语从句的种类多，连接词也多，这就要求同学们全面理解和把握从句的引导词、句子间的逻辑关系，正确理解整个句子的意义，对状语从句的种类进行正确的判断，从而选择正确的连词。【中考真题】1. They develop their skills _ they can do things better and better. 【2011山东德州】A. howeverB. becauseC. sinceD. so that2. You cant watch TV _ you finish your homework. 【2011内蒙古包头】A. before B. if C. while D. as3. Many students didnt realize the importance of study_they left school. (2010盐城)A.whenB.untilC.asD.after4. When will you come to Daqing? ( 2011大庆) I will call you _I arrive.A. till B. while C. as quickly as D. as soon as 5. I hear the famous singer Xu Song may come to Ningbo next month. Really? _ he comes, my younger sister will be very excited. 【2011浙江宁波】A. If B. Until C. Unless D. Before【中考演练】6. Mr. Green speaks very loudly_all the people can hear him clearly. A. when B. so that C. because D. while7. Peter likes reading a newspaper he is having breakfast.A. untilB. whileC. becauseD. though8. You study _ hard _ youre sure to pass the exam. Thank you for saying so. A. enough to B. asas C. sothat D. so that 9. You should go over your test paper _ you hand it in . A. before B. though C. because D. as soon as10. We will have no water to drink _we dont protect the earth.A. untilB.beforeC.thoughD.if【考点预测二】考查状语从句的时态【精讲点拨】当主句用一般现在将来时，以when,as soon as引导的时间状语从句和以if（如果）或unless(除非)引导的条件状语从句通常用一般现在时态来表示将来的意义。如：Ill go to see my grandparents if it doesnt rain next Sunday.【中考真题】1. Tom wants to know if you will have a picnic tomorrow. 【2011山东泰安】 Yes. But if it _, well play chess instead. A. will rainB. rainedC. is rainingD. rains2. I will send you an e-mail as soon as I_ in Canada. 【2011北京】A. arrive B. arrived C. am arriving D. will arrive3. What time will Diana get to Chengdu? 【2011广安市】 Im not sure. When he _, Ill call you. A. will arrive B. arrive C. arrives D. arrived4.The students _ have a sports meeting this weekend if it _.【2011雅安】 A. wont; rains B. will; rainsC. wont; will rain D. are going to; is going to rain5. If there no buying and selling of animals, there no killing in nature. 【2011陕西】A. is; will he B. will be; will be C. is; is D. will be; is【中考演练】6. If Tom _ the game, well give him a surprise.A. win B. wins C. won D. miming7. Im waiting for my friend. , Ill go shopping alone.A. If she comes B. If she doesnt come C. If she wont come 8. When will you come to Daqing? I will call you _I arrive.A. till B. while C. as quickly as D. as soon as9. Ill give it to Jim as soon as I _him tomorrow.A saw B.will see C.see D.have seen10. Im waiting for my friend. _, Ill go shopping alone.A. If she comes B. If she wont come C. If she doesnt come D. If she isnt coming【考点预测三】原因和让步状语从句中的特殊结构【精讲点拨】原因状语从句中，because,since或as不能与so同时出现于一句话中，如：你可以说：He didnt come yesterday because he was ill.你也可以说He was ill, so he didnt come yesterday.但是你一定不能说Because he was ill, so he didnt come yesterday.同样以though或although引导的让步状语从句，也不能和but同时出现在一个复合句中。【中考真题】1. Mary spends a lot of money on clothes _ her family is not rich. （2010山东省菏泽市）A. because B. though C. ifD. so 2. They will try their best in the Dragon Boat Racing _they may fail. (2011 南京) A. if B. although C. unless D. until 3. Is everyone here today? -No. Tom is at home _ he has got a bad cold. (2010 湖州) A. because B. if C. until D. unless4. _his leg was hurt, _he walked slowly. ( 2008 宁波) A. Because, so B. Because, C. Although, but D. Although, 【中考演练】改错5.【误】Although it is raining hard outside, but the students are still working hard.【正】_.【正】_.6.【误】Because he didnt come to school yesterday, so he didnt finish his homework.【正】_.【正】_.【考点预测四】if 和when等的“两副面孔”【精讲点拨】if 和when等既能引导宾语从句，又能引导状语从句。所以当碰到有它们引导的题目时，首先需要你认真分析，弄清它们是“两副面孔”中的哪种，若引导的是宾语从句，就用一般将来时表示将来的动作；若引导状语从句，就用一般现在时表示将来。如：I dont know ifwhen she will come next Sunday.(宾语从句) If When she comes, Ill tell you about it.（状语从句）近几年各地的中考试题中，考查if这种用法的题目较多，所以大家要对when的这种用法的题目多加注意。【中考真题】1. Mary, could you tell me if your mother _ our school sports meeting tomorrow?I think she will come to school if she _ free. 【2011山东滨州】 A. will take part in; will be B. takes part in; is C. will take part in; is D. takes part in; will be2. I dont know if she to my birthday party tomorrow. If she , Ill be very happy. 【2011湖南益阳】A. comes; comes B. will come; comes C. comes; will come3. Lets go fishing if it _ this weekend. 【2011广东】But nobody knows if it _.A. is fine, will rainB. will be fine, rainsC. will be fine, will rainD. is fine; rains 4. I dont know if it_tomorrow.If it_,we wont go on a picnic. 2010. 【四川省内江市】A.rains;rainsB.will rain;rainsC.will rain;will rain【中考演练】5. I dont know if Jack . If he , call me, please. A. will come; will comes B. comes; come C. comes; will come D. will come; comes 6. I wonder if he _us, and I think if he _us well be able to finishe the work on time. A. will help, will help B. helps, will help C. will help, helps D. helps, helps7. The teacher doesnt tell us when Sally _next Sunday. When she _, he will let us know. A. leaves, leaves B. will leave, will leave C. leaves, will leave D. will leave, leaves 【考点预测五】sothat和suchthat引导结果状语从句的区别【精讲点拨】(1)sothat和suchthat都表示“如此以至于”的意思。so修饰形容词或副词；such修饰名词。(2)当单数可数名词前有不定冠词与形容词时，即可以用so也可以用such,但它们的位置不同，如：如此聪明的一个男孩：such a clever boy或so clever a boy.(3)当修饰可数名词复数或不可数名词时，即使名词前有形容词也不能用so,只能用such,构成：such + (adj.)+可数名词复数或不可数名词的结构，如：such delicious foodsuch interesting books.(4)名词前有表示“多、少”意义的many,much,few,littl等修饰词时，要用so,不能用such.例如：He has so many falls that he is black and blue all over.他摔了很多跤，以致全身青一块紫一块。【温馨提示】sothat引导的结果状语从句可与tooto do 和enoughto do相互转换，也是中考同义句命题的热点之一，如：The bag is so heavy that the boy cant lift it. 可以转换为：The bag is too heavy for the boy to lift.【中考真题】1. Lucy said that she had never heard _music before。【2010 三亚】A. such a beautiful piece of B. so a piece of beautiful C. so beautiful a D. such a beautiful2. Can you image that _little ants can carry _many big worms? 【2010 梅州】 A.so, so B. such, such C. such, so D. so, such3. Zhou Libo is Shanghais favorite funny man. He is good at making people laugh. His lively shows were _ hot that tickets sold out in minutes. 【2011山东临沂】 A. very B. too C. such D. so 4. You study _ hard _ youre sure to pass the exam. Thank you for saying so. 【2011福州】A. enough to B. asas C. sothat D. suchthat 5. Nick was so tired that he couldnt walk any further. 同义句改写【2011江苏连云港】 Nick was _ any further.【中考演练】6. The house cost _we didnt buy it. A. such many money that B. such much money that C. so many money that D. so much money that7. He had _much work to do that he couldnt go out. A. so B. such C. as D. or8. It is _all of us can do it. A. so easy an exercise that B. such easy exercise C. such easy an exercise D. so easily exercise that9. She was so weak that she couldnt take care of her baby. ( 同义句转换，每空一词) She was _weak _take care of her baby.【考点预测六】考查比较状语从句【精讲点拨】（1）as as (和一样)，as 和as的中间必须用形容词或副词的原型，其否定形式为not as so as.如：Se is as tall as his father. The film isnt as so interesting as that one.(2) “ the +比较级，the +比较级”结构的意思是“越越”，注意其前后结构一定要一致。如：The more , the better. 越多越好。【中考真题】1. Nanjing isnt so large _ Shanghai, howeve, its the second _city in East China. 【2011无锡】A. like, largest B. as, largest C. like, large D. as large2. Remember this, childr