初中英语状语从句精讲

,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,*,专题句型,状语从句,考点揭密,中考考点设置,典型例题解析,课时训练,考点揭密,在复合句中修饰主句中的动词、形容词或副词或句子，起状语作用的从句。由从属连词引导，从属连词在从句中不充当句子成分。状语从句可置主语之前，也可置主语之后。,前置时，从句后用逗号与主句分开；,后置时，与主句之间无标点符号。,状语从句可分为,时间、原因、目的、结果、条件、比较、地点、,让步、方式等九类。,e.g.,If you go to the party,you will,have a good time.,e.g.You will have a good time,If you,go to the party.,中考考点设置,1.,时间状语从句,(1),引导词：,when,while,as,before,after,as soon as,until/till,since.,e.g.Mother,was cooking,dinner,when,I,reached,home.(,when“,当的时候”）,e.g.,While,the girl was shopping,the UFO landed.,（,While,“当的时候,”）,e.g.Dont close the window,before,you go to bed.,(,before,在之前）,e.g.,As,he was reading,he was,listening to the radio.,（As,“一边一边”）,e.g.After,I had done my homework,I went to bed.,e.g.The Greens has lived here,since,they came to China.,(,since,引导的时间壮,语从句若用一般过去时，主句则用现在完成时,时间壮语,从句,中若用,一般将来时,，,从句,则用,一般现在时,表示将来，即遵循,“,主将,从现,”的原则。,e.g.I will write to you,as soon as,I,get to,Beijing.,e.g.I will tell him when he comes back.,注意,e.g.I,wont,go to bed,until,I finish my,homework.,(3)not.until,的同义句替换。,notuntil,在否定句中,表示“直到才”，,主句中的动词常用,终止性动词,这时,till/until,可用,before,替换,till/until,在肯定句中,表示,“直到为止”,主 句中动词用,延续性动词,e.g.,I,waited,till/until,he arrived.,(wait,是一个延续性动词）,e.g.I,didnt,leave,until/till/before,she,came back.（leave,是个短暂性动词）,practice:,1.I will go to bed,as soon as,I _my,homework.,A.will finish B.finishing C.finish,C,4.,I will,not,watch TV,until,I finish my,homework.,=I will,not,watch TV _ I finish,My homework.,before,2.My sister _(read)her book,in the classroom,when,her teacher,came in.,was reading,3.I my_(do)homework,while my parents_(watch),TV last night.,was doing,were watching,(3)if.not与unless(=ifnot)及or的同义句转换。,(2),遵循“,主将从现,”的原则,(即主句若为一般将来时，,从句用一般现在时代替将来。),2.,条件状语从句,(1),引导词：,if,unless.,e.g.If I,am,free,I,will call,you.,e.g.If it doesnt rain,we will go for a walk.,unless,是从属连词，它引导条件壮语从句，译作,“,除非否则的话,”,e.g.You will be late for class,unless,you start,right now.,除非,你现在出发,否则的话,年上学就会迟到的。,e.g.You will not succeed,unless,you work hard.,小结:,“,祈使句+,or+,一般将来时的陈述句,”结构中，,Or,表示转折，译作“,否则，不然的话,”,相当于一个否定的条件状语从句。,相当于,If you dont(cant),you will,例句.,Study harder,or,you will fail the exam.,=,If,you,dont,study harder,you will,fail,the exam.,=,Unless,you study harder,you will fail,the exam.,例句.,Hurry up,or,you will be late.,=,If,you,dont,hurry up,you will,be late.,=,Unless,you hurry up,you will be late.,practice:,1.If you _ to the party,you_,have a good time.,go,will,2.,She _next Sunday,if she_ busy.,will go shopping,wont be,3,.Please hurry up,or,you will miss the train.,=_,you _ hurry up,you will _ the train.,=_ you hurry up,you will miss the train.,4.,Water the young trees as often as,Possible,or,they will die soon.,=_,you _ water the young trees as,often as possible,they will die soon.,=_ you water the young trees as,often as possible,they will die soon.,If,dont,Unless,If,dont,Unless,miss,中考考点设置,3.,原因状语从句,(1),引导词,:because,since,as.,(2),对,because,原因状语提问用“,why”,。,(3)because,不能与,so,连用。,(4)because,since,，,as,for,的区别：,Why,are you standing here?,-,Because,Im waiting for my uncle.,because,从句所表示的是对方不知道的,直接的原因,，因此在回答以,why,引导的特殊疑问句,时,只可用,because,它引导的从句可以位于主句前或主句后.,而,as,since,引导的从句却不可；,例句:,Li Hong didnt go to school,yesterday,because,he was ill.,as,从句所表示,比较明显的原因和理由,(由于,既然)这种原因一般是,大家知道,的,一般,从句说明原因,，,主句说明结果,。其,从句位于主句之前,since,用来表示比较勉强的理由和原,或原由已为人们所知。,e.g.,As the water was not deep,we were able to,cross the river.,(,从句说明原因,，,主句说明结果),e.g.,AS I knew he was ill,I didnt call him,.,e.g.Since everybody is here,lets bigin the meeting,（“大家都在这里”的原由已为人们所知）,e.g.Since you cant answer the question,（原由已为人们所知）,Ill ask someone else.,for,往往用于附加理由证明。所说的理由是一种补充说明。,分句前常有逗号,，,其引导的,分句不可放于句首,。,例句：,Its spring now,for,the flowers are out.,Practice:,Why,hasn,t Mr.Li come to work today.,-_he has gone to Beijing to have a meeting.,A,.If,B,.Until,C,.Though,D,.Because,2.I decided to stop and have lunch,_ I was,feeling quite hungry.,Because of,B,.for,C,.As,D,B,3.Because he was ill,he didnt_,go to school.,A.so B./,4.A.I stayed at home,because of,the,weather was bad.(),B.I stayed at home,because,the,weather was bad.(),C.I stayed at home,because of,the,bad weather,A,(),A,F,T,T,中考考点设置,例句:,She is,so,great,a,father,that,we all like him.,4.,目的状语和结果状语,(1),目的状语从句,引导词：,so that,从句中常用,情态动词(,can/could),E.g.Speak slowly,so that,we,can,understand you.(2),结果状语从句,引导词：,so+adj+that,such+n+that,so,+,adj,+,a,+,n(,名单),+,that,例句,:It is,so,red,an,apple,that,I want to eat it.,so,+,adj,+,an,+,n(,名单),+,that,(3)so与such的区别,She is,such,a,great,father,that,we all like him.,such,+,a,+,adj,+,n(,名单),+,that,It is,such,an,red,apple,that,I want to eat it.,such,+,an,+,adj,+,n(,名单),+,that,小结:,so+adj+a/an+n(,单数）+,that,such+a/an+adj+n(,单数）+,that,1.,It is _small a room _it cant hold so many,People.,A.so that,B.suchthat,=It is _ a small room _it cant hold so many,People.,A.so that,B.suchthat,Practice:,A,B,2.,He is,_,young a boy,_,he cant carry the box.,He