状语从句课件

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1、状语从句 状语从句在复合句中作状语，修饰主句的动词、形容词、或副词等。状语从句放在主句之前时，常用逗号隔开；放在主句之后一般不用逗号。状语从句按其意义和作用可分为时间、条件、原因、让步、目的、结果、方式、比较、地点等9种。一、时间状语从句 常用连词有when,as,while,before,after,since,till(until),as soon as,hardlywhen,no soonerthan,the moment等1、主句是将来时，时间状语从句要用一般现在时表将来。I will go on with the work when I _ back tomorrow.(A.will

2、 come B.am going to come C.come D.shall come)C2、when/while/as 都表示“当.时候”，when从句的动作和主句的动作可以同时发生，也可先后发生。when 从句的谓语动词可是延续性动词，也可是终止性动词;as/while则强调主从句的动作同时发生。其谓语动词应是延续性动词。I was reading _ he came in.(A.while B.when C.as D.)_ I was watching TV,she came in.(A.While B.When C.As D.)_ she walked along the stree

3、t,she sang happily.(A.While B.When C.As D.)BAC常考句型：be about to do whenI was about to go out _ it began to rain.(A.While B.When C.As D.as soon as )3、till(until)“直到 为止”；not until“直到 才”常考句型：It was not untilthat（强调句）Not until 助动词/情态动词+主语+谓语（倒装句）Not until _ me _ I was wrong.(A.he told;I realized B.did he

4、 tell;I realized C.did he tell;did I realize D.he told;did I realize )BD思考：以上句子如何改为强调句？It was not until he told me that I realized I was wrong.4、表示“一 就”可 用 as soon as，the moment,no sooner than,hardly when 等句型，但后两者必须用倒装句。No sooner/Hardly+had+主语+v-ed than/when+主语+谓语（过去时）_ the room _ I heard a loud noi

5、se.A.Hardly I had entered;when B.No sooner I had entered;than C.Hardly did I enter;than D No sooner had I entered;thanD5、名词词组the instant/the moment/the first time/every time或副词immediately 都可以引导状语从句。The instant the result came out,she told me.高考模拟：I thought him easy to talk with _ I saw him(A.for the

6、 first time B.the first time C.At the first time D.on the first time )二、地点状语从句常由 where,wherever,everywhere 等连接词引导。_ you go,you should do your work well.(A.However B.Wherever C.No matter how D.Whomever )BB三、条件状语从句：由 if/unless/once/in case/as long as/providing(provided)that 等引导。注意：主句表示将来，条件句只能用一般时态。高考

7、模拟:He will go on holiday with his umbrella _ he _ it.(A.if;needs B.in case;needs C.Unless；will need D.in case;will need )B由providing(provided)that（“假如”）引导的条件句的用法：Providing/Provided(that)we allow him,he would certainly come for the summer vacation.四、原因状语从句：引导词为 because,as,since,for 等1、because 表示原因的语气

8、最强，引导的从句可放在主句前或后，回答why的问句一定要用because He had to stay at home yesterday _ he was ill.2、since 表示双方都知道的原因或事实，译为“既然”Since no one is against it,well adopt the proposal.3、as 表示十分明显的原因 As you object,Ill reconsider the plan.问：以上 as能换成 since 吗4、for语气最弱，用来解释说明前面一句的情况，有时表示的理由是推测。for引导的从句必须放在主句后。becauseIt must h

9、ave rained last night,_ the ground is wet this morning.5、now that=since 引导的从句放在主句前。6、in that 表示“因为”。五、目的状语从句：由so that,in order that,so 等Bring it closer so I may see it better.Im saving money so that I can buy a house.六、结果状语从句：由so,so that,so that,suchthat等引导，从句放在主句后。We turned the radio up,so(that)eve

10、rybody heard the news.（注意：从句有情态动词吗？请与目的状语从句作比较。）for七、让步状语从句：由 while（尽管），though,although,even if,whether,however,no matter what 等引导高考模拟：_ fast you drive,you wont be able to catch the plane.(A.Whatever B.However C.No matter what D.How)常考句型：表语状语（副词）（情态动词后面的）动词原形+as +主语+be V._,he knows a lot.(A.Young as

11、 he is B.As he is young C.Though young he is D.As young he is)BA改错：A child as she is,she has to support the family.八、方式状语从句：由 as,just as,as if，as though 引导。as if as though 从句可用陈述语气表示可能符合的事实，也可用虚拟语气表示与事实不符或相反。It looks as if she likes apples.He looks as if though he were young.九、比较状语从句：由 as as,not so

12、as,than,the same as,while（“而”表示两种情况的对比）等引导。常考句型：The+比较级+主语+谓语，the+比较级+主语+谓语_ you study,_ important the method of study is.(A.Better,more B.The better,the most C.The better,the more D.The best,the most)C高考体验 高考仿真 综合练习1、(2008年高考上海卷)_ well prepared you are,you still need a lot of luck in mountain climb

13、ing.(A.However B.Whatever C.No matter D.Although)2、（2008年高考辽宁卷）_ hungry I am,I never seem to be able to finish off this loaf of bread.(A.Whatever B.Whenever C.Wherever D.However)3、（2008年高考山东卷）Youd better not leave the medicine _ kids can get at it.(A.even if B.which C.where D.so that)ADC4、（2008年高考海南

14、卷）The lawyer rarely wears anything other than jeans and a T-shirt _ the season.(A.whatever B.wherever C.whenever D.however)5、-Have you got any idea for the summer vacation?-I dont mind where we go _ theres sun,sea,and beach.（2008年高考海南卷）(A.as if B.as long as C.now that D.in order that)6、-It shouldnt

15、take long to clear up after the party if we all volunteer to help.-Thats right._.（2008年高考江苏卷）(A.Many hands make light work.B.Something is better than nothing.C.The more the merrier D.The sooner begun,the sooner done)ABA7、(2008年高考全国卷)A small car is big enough for a family of three _ you need more spa

16、ce for baggage.(A.Once B.because C.if D.unless)8、(2008年高考天津卷)Well have a picnic in the park this Sunday _ it rains or its very cold.(A.since B.if C.unless D.until)9、(2008年高考上海卷）It has been proved _ eating vegetables in childhood helps to protect you against serious illness in later life.(A.if B.beca

17、use C.when D.that)10、(2008年高考重庆卷)It was not until midnight _ they reached the site.(A.that B.when C.while D.as)DCDA11、(2008年高考重庆卷)All people,_ they are old or young,rich or poor,have been trying their best to help those in need since the disaster.(A.even if B.whether C.no matter D.however)12、(2008年高

18、考辽宁卷)I used to love that film _ I was a child,but I dont feel it that way any more.(A.once B.when C.since D.although)13、(2008年高考福建卷)Nancy enjoyed herself so much _ she visited her friends in Sydney last year.(A.that B.which C.when D.where)BBC14、(2008年高考浙江卷)Dont promise anything _ you are one hundred

19、 percent sure.(A.whether B.after C.how D.unless)15、(2008年高考湖南卷)_ the Internet is of great help,I dont its a good idea to spend too much time on it.(A.If B.While C.Because D.As)16.-Do you have a minute?Ive got something to tell you.-OK,_ you make it short.(2008年高考安徽卷)(A.now that B.if only C.so long a

20、s D.every time)DBC17、(2008年高考江西卷)Animals suffered at the hands of the hands of man _ they were destroyed by people to make way for agricultural land to provide food for more people.(A.in which B.for which C.so that D.in that)18、(2008年高考四川卷)In some places women were expected to earn money _ men work

21、at home and raise their children.(A.but B.while C.because D.though)19、(2008年高考山东卷)He found it increasingly difficult to read,_ his eyesight was beginning to fail.(A.though B.for C.but D.so)DBB20、(2008年高考江苏卷)_ you eat the correct foods _ be able to keep fit and stay healthy.(A.Only if;will you B.Only if;you will C.Unless;will you D.unless,you will)21、-Did you return Freds call?-I didnt need to _ Ill see him tomorrow.(2008年高考北京卷)(A.though B.unless C.when D.because)AD