中考英语总复习之状语从句.ppt

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1、中考英语总复习之状语从句在复合句中修饰主句中的动词、形容词和副词等的从句,叫状语从句。语序都应该用陈述语序。其主要考查点是要掌握时间、地点、原因、条件、目的、结果、让步、方式、比较等各类状语从句的用法及特点。时间状语从句时间状语从句的引导词有:when,as,while,till/until,as soon as,after,before,since,by the time等。如:I went to bed after the TV play was over.电视剧完了以后我上床睡觉。The train had left before he got to the station.在他到车站之

2、前,火车就已经开走了。Could you look after her while were away?我们不在时你能照顾她吗?She has taught in this school since she came here.自她来到这里以来,她就一直在这所学校教书。Wait until I come back,please.请你等到我回来。原因状语从句原因状语从句的引导词有:because,as,since等。如:He sold the car because it was too small.他卖掉那辆小汽车,因为它太小了。Since you wont help me,I must do

3、 the job myself.既然你不帮我忙,我必须自己做这项工作。As it was raining hard,they had to stay at home.由于正下大雨,他们不得不呆在家里。条件状语从句条件状语从句由if,unless(if.not),as long as等连词引导。条件状语从句中的动词多用一般现在时表示将来。如:If you run faster,youll catch up with him.如果你跑得快点,你就会赶上他。I wont go unless he asks me.除非他请我,否则我是不会去的。You may borrow the book as lo

4、ng as you return it on time.你可以借这本书,只要你准时归还。地点状语从句地点状语从句由where,wherever等引导。如:Id like to go the place where the air is fresh.我想去空气清新的地方。Wherever we go,we must learn from others.无论我们去哪里,我们都必须向别人学习。比较状语从句主要由than,as.as.,the.the.引导。如:I feel better now than(I was)before.我现在觉得比以前好了。He writes as well as you

5、(do)他写得和你一样好。结果状语从句结果状语从句由so that,so/such.that引导。如:He lost his bike so that he couldnt come to school on time.他丢了自行车,所以不能准时到校。Your shirt was so dirty that you must wash it.你的衬衣这么脏,你应该把它洗洗。She is such a beautiful girl that we all like her.她是一个如此漂亮的女孩以至于我们都喜欢她。目的状语从句目的状语从句由so that,in order that引导。如:I

6、got up early so that/in order that I could catch the early bus.我很早起床,以便能赶上早班车。让步状语从句让步状语从句一般用though,although,even though/if来引导。如:Though/Although he tried hard,he was not successful.他虽然努力尝试,但没有成功。He went on working though it was very late.虽然很晚了,他还在继续工作。注意:though,although不能和but同时用在一个句子中。“主将从现类”的状语从句由“

7、when,as soon as,till/until,after,before”等引导的时间状语从句;由“if,unless,as long as”等引导的条件状语从句以及由“though/although/even if(though)”等引导的让步状语从句。如果主句的谓语动词为一般将来时、含有情态动词或主句是祈使句时,从句中的谓语动词用一般现在时表将来,即“主将从现”。如:Hell write to me as soon as he reaches Beijing.他一到北京就会写信给我。Dont get off the bus until/before it stops.要等公交车停了才

8、能下车。I will try it,though I may fail.即使失败,我也要试一下。when,while,as引导时间状语从句的区别1when的用法:既可指时间点,也可指时间段。从句中的动词可以是短暂性动词,也可以是延续性动词。主句和从句的动作同时发生(此时主句常用过去进行时,从句用一般过去时),或从句的动作发生在主句的动作之前或之后。如:Mary was eating when I saw her.当我看见玛丽的时候,她正在吃东西。The train had left when they got to the station.当他们到达火车站的时候,火车已经开走了。2while的

9、用法:while指一段时间。从句中的动词必须是延续性动词。从句的动作与主句的动作同时发生(主从句都用过去进行时)。意为“但是,然而”,表转折。While it was raining,they went out.正在下雨的时候,他们出去了。I was reading while my brother was drawing.我弟弟在画画的时候,我在看书。I like English while he likes math.我喜欢英语,而他喜欢数学。注意:有时when/while可以互换。如:When/While Linda was watching TV,the doorbell rang.当

10、Linda在看电视的时候,门铃响了。3as的用法:as表示“一边一边”,强调从句的动作伴随主句的动作发生,可接延续性动词,也可接短暂性动词。如:They sang songs as they walked along the river.他们一边沿着河边走,一边唱着歌。till和until的区别1若主句的谓语动词为延续性动词,用肯定式或否定式皆可,只是意思不同。如:They worked till it was dark.他们一直工作到天黑。They didnt work until it was dark.直到天黑他们才开始工作。2若主句的谓语动词为非延续性动词,则主句要用否定式,从句用肯定

11、式。如:The bus wont start until everybody gets on.公共汽车直到每个人都上车后才发动。because,as,since,for的用法区别because,as,since,for都是表示“理由”的连词,但用法有区别。1because回答why引导的问句,语气最强。如:Why was he absent?他为什么缺席?Because he was badly ill.因为他病得很重。2as,since表理由是已知的,而理由以外才是叙述的重点,两者皆多用于句首,但要注意since重形式,as多表示理由以外的才是重点。如:As were young,we mu

12、st learn from teachers.由于我们年轻,我们必须向老师学习。Since you need the book,you may take it.既然你需要这本书,你可以拿走。3for不用于句首,而用于主句之后,补充说明理由;主句表推测时,用for说明原因。如:Ill follow his advice,for he is a doctor.我会听从他的劝告,因为他是医生。注意:because of也是表示原因状语,但后面只能跟短语。如:I had to stay at home because of the bad weather.因为天气不好我只好呆在家里。Tom wants

13、 to know if you will have a picnic tomorrow.Yes.But if it _,well play chess instead.()Awill rain BrainedCis raining Drains解析:if引导的条件状语从句,主句用将来时,从句用一般现在时。故选D。答案:D Ill give it to Jim as soon as I _ him tomorrow.()Asaw Bwill seeCsee Dhave seen解析:本题考查时间状语从句的时态。as soon as表示“一就”,其主句用将来时态,从句要用一般现在时态。故选C。答案

14、:C You cant watch TV _ you finish your homework.()Abefore Bif Cwhile Das解析:本题考查词义辨析。A项意为“在之前”;B项意为“假如;即使”;C项意为“当时候”;D项意为“因为”。句意为“你不能看电视在你完成作业之前”。故选A。答案:A So you were in the supermarket _ you heard a strange sound,right?Thats true.I ran out as quickly as possible.()Awhen Bwhile Cthen Dwhich解析:主要考查whe

15、n和while的区别。when既可以指一段时间,也可以指时间点,而 while只能指一段时间,本题表达的是时间点,故选A。答案:A1(2011陕西)If there _ no buying and selling of animals,there _ no killing in nature.()Ais;will be Bwill be;will beCis;is Dwill be;is解析:本题考查if引导的条件状语从句的时态。if 意为“如果”,引导条件状语从句,主将从现。故选A。答案:A2(2011德州)They develop their skills _ they can do th

16、ings better and better.()Ahowever BbecauseCsince Dso that解析:句意:他们拓展他们的技能是为了他们能够把事情做的越来越好。后面的从句表示目的,D项意为“为了”。故选D。答案:D3(2010河北)Peter likes reading a newspaper _ he is having breakfast.()Auntil Bwhile Cbecause Dthough解析:本题考查时间状语从句。句意为“Peter喜欢在吃早饭的时候读报纸”。while意为“当时候”。故选B。答案:B4(2010东营)I dont like Xiao Sh

17、enyangs performances _ many people like them.()Aas if Bas forCso that Deven though解析:本题考查状语从句。句意:我不喜欢小沈阳的表演,尽管许多人喜欢他。as if好像;as for关于;so that以便、为了;even though尽管。根据句意,可知选D。答案:D5(2010孝感)I hear Anna will give up learning the piano.If she _,her parents will be mad at her.()Awill Bdoes Cdo Dis解析:句意:我听说安娜

18、要放弃学习钢琴。如果她这样做,她的父母对她会发怒的。这是个省略句,省略了give up learning the piano,在条件状语从句中,用一般现在时代替一般将来时,故选B。答案:B1Mr.Read has taught in that small town _ he left Canada in 1988.()Awhen Bafter Cfor Dsince2Tom didnt go to school yesterday _ he was ill.()Abut Buntil Cif Dbecause3Im going to Hangzhou for a holiday this we

19、ekend._ you are there,can you buy me some green tea?()ABecause BIf CWhile DAfterD D C 4If you _ him tomorrow,please ask him if he _ to work on the farm with us.()Asee;goes Bwill see;goesCwill see;will go Dsee;will go5We _ Xiao Li since she was a little girl.()Aknow Bhad knownChave known Dknew6Could

20、you ring me up as soon as he _ Beijing?()Areached Bwould reachCreaches Dwill reachD C C 7We _ TV when the telephone _.()Awatched;was ringing Bwere watching;rangCwatch;rings Dare watching;rang8Kate _ to bed until her father returned yesterday evening.()Awont go Bdoesnt goCwent Ddidnt go9If the child

21、_,please telephone the police.()Afound Bis foundCwas found Dhas foundB B D 10If you _ here tomorrow,Ill be delighted.()Acomes Bwill comeCcame Dcome11Im sure he will jump up when he _ the good news.()Alearn about Bwill learn aboutClearning about Dlearns about12What a surprise it is that youve hiked o

22、n Mount Tai!I didnt believe I could do it _ I got to the top.()Aunless Bafter Cuntil DasD D C 13I havent seen you for a long time.Yes.It _ ten years since we last _ in Beijing.()Awas;met Bhas been;metCwas;meet Dis;meet14How do you like the concert given by the“Foxy Ladies”?Exciting,_ one piece of th

23、e music wasnt played quite well.()AthoughBso CbecauseDand15The movie was not _ good _ I had expected.()Aas;as Bsuch;thatCso;that Dtoo;toB A A 16_ you go,dont forget your friends.()AWhenever BHoweverCWherever DWhichever17I read more books _ I can catch up with my classmates.()Aas soon as Bso thatCeve

24、n though Dwhile18You may arrive in Beijing early _ you dont mind taking the night train.()AthatBthoughCunlessDifC B D 19David is listening to music _ his mother is washing clothes.()Aafter Bbefore Cuntil Dwhile20Mary got up late this morning _ she didnt catch the first bus.()Abecause Bfor Cso DorD C

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