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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,英语语法,状语从句,一、概念,1.,定义:在主从复合句中,用于修饰主句中动词、形容词 或副词的句子,叫状语从句。,2.,类型:状语从句按其在句中的作用分为:时间、地点、原因、目的、结果、条件、方式、让步、比较状语从句九类。,3.,位置:由从属连词引导,可位于主句前,亦可位于主句后。位于句首时,用逗号与其后的主句隔开。,状语从句的构成,简单句,+,并列连词,+,简单句,状语从句的分类,比较状语从句,一,.,时间状语从句,(,1,)主将从现,I,ll ring up as soon as I get to Beijing.,(2)when,主句和从句动作,同时,发生,before,之前,after,之后,as,并行发生,不分先后,(,3,),untiltill,引导的时间状语从句,A,动词是,延续性动词,,主句为肯定,I,ll wait for you till you come to see me.,B,动词是非延续性动词,notuntil,I didnt go to bed until I finished my homework.,(,4,),since,自,以来,主句用一般现在时或现在完成时,从句用一般过去时,It has been+since,从句,It is been+since,从句,I have worked in this school since I graduated from Beijing University.,It is 10 years since I began to study English.,二:条件状语从句,(,1,)主将从现,I,ll,visit the Great Wall,if it,doesnt,rain tomorrow.,(2)if,引导的条件状从所表示的前提或条件将来可以实现,主将从现在完成时,进行时,We,will,give you a good price if you,are thinking,of buying it.,(3),祈使句,+andor,引导的结果状从,祈使句在意义上 一个条件条件状从,Use your head,and youll find a way.,=If you use your head,youll find a way.,三 原因状语从句,1,because since as(,语气由高到低,),引导,why,的提问用,because,回答,Why are you late?,Because Im ill.,2,since,用在人们已知道的实施“既然”,Since you cant answer the question,you can ask someone for help.,四 目的状语从句,(,1,)由,so that,in order that,等引导,谓语中常有,may,might,can,could,will,would,等情态动词。,He must get up early so that he can catch the first bus.,in order that+,从句,in order that+,动词,He worked day and night in order that he could succeed.,He worked day and night in order to succeed.,五 结果状语从句,(1)sothat,suchthat,so+adjadv+that,so+adj+aan+,单数名词,+that,Such+aan+adj+,单数名词,+that,Such+adj+,复数名词,+that,Such+adj+,不可数数名词,+that,She is,such,a lovely girl,that,we love her very much.,She is,so,lovely girl,that,we love her very much.,We have,so,much,time,that,we can finish the work very well.,当名词前面有,many,和,much,修饰时,用,so,而不用,such,(,2)so that,的否定形式可与,tooto notenough to,替换。,He is,so,young,that,he cant go to school.,=He is,too,young,to,go to school.,=He is,not,old,enough to,go to school.,六 让步状语从句,though,although,七 比较从句,than as,八 方式状语从句,as,like as though,the way,九 地点状语从句,where,wherever,everywhere,1 The meeting didnt start_ everyone was there.A.because B.until C.why D.if,2 The boy _ to bed _ his mother came in.A.went not;until B.didnt go;after,C.went;until D.didnt go;until,3 I wont believe you_ I have seen it with my own eyes.A.before B.until C.after D.when,1 The meeting didnt start_ everyone was there.,A.because,B.until C.why D.if,2 The boy _ to bed _ his mother came in.A.went not;until B.didnt go;after,C.went;until,D.didnt go;until,3 I wont believe you_ I have seen it with my own eyes.A.before B.until,C.after,D.when,4 He _ home _ she was satisfied _ his answer yesterday.A.didnt go;until;with B.wasnt go;after;to C.doesnt go;before;with D.didnt go;until;to5 He _ back until the work _ done.A.isnt;will be B.isnt;is,C.wont be;will be D.wont be;is6 They didnt start the work _ their teacher came back.A.until B.while C.as soon as D.if,4 He _ home _ she was satisfied _ his answer yesterday.A.didnt go;until;with B.wasnt go;after;to,C.doesnt go;before;with,D.didnt go;until;to5 He _ back until the work _ done.,A.isnt;will be,B.isnt;is,C.wont be;will be D.wont be;is6 They didnt start the work _ their teacher came back.A.until B.while,C.as soon as,D.if,7.Tom will call me as soon as he _ Shanghai.A.arrives B.will reach C.arrives in D.get to8.Im sure hell come to see me before he _ Beijing.A.will leave B.is leaving C.leave D.leaves9.I will tell him the news as soon as he_ back.A.come B.comes C.will come D.came,7.Tom will call me as soon as he _ Shanghai.A.arrives B.will reach C.arrives in,D.get to,8.Im sure hell come to see me before he _ Beijing.A.will leave B.is leaving,C.leave,D.leaves9.I will tell him the news as soon as he_ back.A.come B.comes,C.will come,D.came,10.Tom has got a watch.He _ it for two years.It _ by his father.A.has bought;was bought B.has got;is bought,C.was bought;has bought.D.has had;was bought 11.When he got to the station,the train _.A.left B.had left C.leaves D.has left12.The boy told his father what he _ in the street.A.saw B.have seen C.had seen D.see,10.Tom has got a watch.He _ it for two years.It _ by his father.,A.has bought;was bought,B.has got;is bought,C.was bought;has bought.,D.has had;was bought 11.When he got to the station,the train _.A.left,B.had left,C.leaves D.has left12.The boy told his father what he _ in the street.A.saw B.have seen,C.had seen,D.see,13.We _ TV when the telephone _.A.watched;was ringing B.were watching;rang C.watch;rings D.are watching;rang 14.By the end of last term,I_ ten books.A.had finished reading B.have finish reading C.had finish to read D.finish read15.I _ you for a long time.Where _ you _?A.didnt see;did;go B.didnt see;have;goneC.h
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