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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,a,*,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,a,*,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,a,*,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,a,*,初三英语专题复习之,状语从句,1,a,初三英语专题复习之 状语从句1a,何为状语从句？,状语从句类型：时间、地点、原因、目的、结果、条件、方式、让步、比较状语从句九类。,I love you.,I love you very much.,I love you till the end of the world.,I fell in love with you when I saw you at first sight.,2,a,何为状语从句？状语从句类型：时间、地点、原因、目的、结果、条,时间状语从句,引导时间状语从句的连接词：,when,as,while,after,before,since,as soon as,till,until,等。,eg:,What,are,you,going to do,when,you,grow up,?,遵循,主将从现,/,主情从现,/,主祈从现,原则,3,a,时间状语从句引导时间状语从句的连接词：3a,when/while/as的区别,(1),when,可延续，可非延,as/while,只跟延续性动词,eg:,It,was snowing,when,we,got to,the airport.,Please write,while,/as,I read.,(,2,),when,可先后，可同时,as/while,只同时,eg:,He,went,home,when,he,had finished,his homework.,Some students were reading,while,others were writing.,4,a,when/while/as的区别4a,（,2,）,before,after,表示主句的动作发生在从句的动作之前或之后,.,eg:Please turn off the light,before,you leave the room.,You can watch TV,after,you finish homework.,（,3,）,until/till,表示主句的谓语动词（延续性动词）一直延续到,until/till,所表示的时间为止。,eg:You may stay here,until/till,the rain stops.,He,didn,t,go to bed,until,he had finished his work.,Until,he joined the army,he worked in that factory.,5,a,（2）before,after表示主句的动作发生在从句的动作,until/till,的用法区别：,注意：,1.,肯定句中，二者可以通用。,2.,否定句中，表示主句的谓语动词（非延续性动词）直到,until,所表示的时间才发生。构成句式,not,.,until,3.till,不用于句首，也不可用于强调句。,6,a,6a,（,4,）,since,表示,“,自,以来,”,，主句用现在完成时，从句用一般过去时。,eg:I,have worked,in this company,since,I,graduated,from college.,注意：,It,s+,一段时间,+since+,从句,自从,已经,eg:,It,s,ten years,since,I left college.,（,5,）,as soon as,表示,“,一,就,”,。,eg:,As soon as,he,arrives,I,ll tell him.,主将从现原则,7,a,（4）since 表示“自以来”，主句用现在完成时,地点状语从句,由,where,wherever,引导。,eg:,Where,there is a will,there is a way.,Wherever,you go,I will go with you.,8,a,地点状语从句由 where,wherever 引导。8a,原因状语从句,常用连词,because,since,，,for,和,as,引导,because,回答,why,提出的问题,since,，,as,表示既然，由于,for,表示附加理由或推断说明,eg:I lent him my bike,because,he needed it.,Let,s begin our meeting,since/as,everybody is here.,The days are longer,for,it,s spring now.,9,a,原因状语从句常用连词 because,since，for和,目的状语从句,引导词或词组：,so that,so,in order that,so as that,等,谓语含有,may,might,can,could,will,would,等情态动词。,eg:He must get up early,so that,he,can,catch the first bus.,当从句与主句主语一致时，可用,so as to,in order to.,eg:He worked day and night,in order that,he,could,succeed.,=He worked day and night,in order to,succeed.,10,a,目的状语从句引导词或词组：10a,结果状语从句,引导结果状语从句的词或词组有：,so,so that,so,that,such,that,eg:The question is,so,hard,that,I can,t work it out.,=The question is,_,hard for me,_,work it out.,=The question is _easy _ for me,_,work it out.,too,to,not,enough,to,11,a,结果状语从句引导结果状语从句的词或词组有：so,so th,条件状语从句,引导词,:,if,，,unless,，,as long as,（只要，如果，由于）,主祈从现、主将从现、主情从现,除非你努力学习，否则你将不能通过考试。,eg:You will not pass the exam,you study hard.,=_you don,t study hard,you won,t pass the exam.,=Study hard,_ you won,t pass the eaxm.,or,If,unless,12,a,条件状语从句引导词:orIfunless12a,方式状语从句,由,as,（按照），,as if/as though,（好像）等引导。,eg:I will do it,as,you tell me.,She cried,as if,it was the end of the world.,13,a,方式状语从句由 as（按照），as if/as thoug,引导词有：,though/although,even though,whoever/no matter who,however/no matter how,whatever/no matter what,wherever/no matter where,whenever/no matter when,和,as,（虽然）,eg:He didn,t turn on the lights,though,it was dark outside.,让步状语从句,14,a,引导词有：though/although,even tho,比较状语从句,引导词为,as,as,not as/so,as,than,the more,the more,eg:Jim is,as,tall,as,me/I am.,She does,n,t,speak English,as/so,well,as,Mary(does).,=She speaks English _,than,Mary(does).,=Mary speaks English _,than,her/she does.,The,_(much)you practice English,the,_(well)you learn it.,worse,better,more,better,15,a,比较状语从句引导词为 asas,not as/soas,Exercises,()1.I have been collecting coins _ I was 11 years old.,A.for B.since C.when D.after,()2.He worked _ hard _ he passed the exam.,A.such,that B.so,that C.as,as D.too,to,()3.,Is Jim at school today?,-Yes,_ he has a bad cold.,A.because B.so C.though D.as,()4.Over 400 million people have visited Disneyland parks around the world _ American Disneyland opened in July 1995.,A.after B.before C.till D.since,B,B,C,D,16,a,ExercisesBBCD16a,()5.James with the Greens _ the White Tower Park,if it _tomorrow.,A.are going to,isnt rainy B.are going to,doesnt rain,C.is going to,wont rain D.is going to,isnt rainy,()6.I wonder if it _ tomorrow.If it _,Ill go hiking with Jim.,A.will rain,wont rain B.rains,wont rain,C.will rain,doesnt rain D.rains,doesnt rain,()7.He got up early this morning _ he could catch the early bus.,A.so B.in order that C.though D.in order to,D,C,B,17,a,DCB17a,18,a,18a,
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