高考英语一轮复习 第十一讲 状语从句课件.ppt

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,*,第十一讲,状语从句,状语从句是由从句充当状语，在句子中可修饰谓语动词,(,或,其他动词,),、形容词、副词或整个句子。它可以,用来表示时间、,地点、原因、目的、结果、条件、方式、比较、让步等。,一边,”),一、状语从句的引导词,状语从句,引导词,例句,时间状语,从句,while(,谓语动词必须,Please keep quiet while(when)others are studying.,当别人正在学,是持续性动词,),when,习时，请保持安静。,(,谓语动词可以是终止,When I went into the lab,the teacher was doing an experiment.,性的，也可以延续性,(when,不能换成,while),当我走进实验室时，老师正在做实验。,的,),as(,当,的 时,As(When/While)I was walking down the street,I noticed a police,候，强调“一边,car.,当我沿着大街散步时，我注意到一辆警车。,till/until(,直 到,),not.until/till (,直,到,才,),They played volleyball until/till it got dark.(,延续性动词,),他们打排,球直到天黑才结束。,He didnt go to bed until/till his father came back.(,非延续性动词,),直到他父亲回来他才睡觉。,续表,状语从句,地点状语,从句,引导词,where,wherever,例句,Make a mark where you have a question.,在你有问,题的地方标个记号。,Sit wherever you like.,坐在你喜欢的地方。,if(,不能用,whether,替,条 件 状 语 换,),unless,so (as),从句,(,真实,long as,on condition,/,非真实,)that,so(as)far as,if,only(,if),If he is not in the office,he must be out for lunch.,如果他不在办公室，那一定是出去吃午饭了。,You may borrow the book so long as you keep it clean.,你可以借这本书，只要你让它保持干净。,原因状语,从句,because,since,as,He had to stay at home yesterday because he was ill.,昨天他必须待,在家里，因为他病了。,Since everyone is here,now lets begin.,大家都到齐了，现在开始。,从句,结 果 状 语,so,that,such.that,他如此激动以至于他从沙发上跳了下来。,so.that,He was so excited that he jumped from the sofa.,状语从句,引导词,例句,目的状语,从句,so,so that,in order,that,in case(,以防，以,免,),Speak clearly,so that they may understand you.,说清楚些以便他们,都能听懂。,He left early in case he should miss the train.,他早早地离开，以防误,了火车。,让步状语,从句,although,though,as,even if/though,however,whatever,whether.or,no matter,who/when/what,.,Child as he is,he knows a lot.,尽管他还是个孩子，他却知道很多。,Whatever(,No matter what)you say,Ill never change my mind.,不管你说什么，我都不会改变主意。,比 较 状 语,从句,than,so/as.as,the,more.the more.,I have made a lot more mistakes than you have.,我犯的错误比你犯,的多得多。,The busier he is,the happier he feels.,越忙他觉得越快乐。,方 式 状 语,从句,as,as if(though),the,way,rather than.,You must do the exercise as I show you.,你必须按照我教你的去做,练习。,He acted as if nothing had happened.,从他的举止行为看，似乎什么,也没,发生过。,续表,二、使用状语从句时要注意的几个问题,1,在时间和条件,(,有时也在方式、让步等,),状语从句中，主,句是一般将来时，从句通常用一般现在时表示将来。,2,在有些时间、地点、条件、方式或让步状语从句中，如,果从句的主语与主句主语一致,(,或虽不一致，但是,it),，从句的谓,语又包含动词,be,，就可省略从句中的“主语,be”,部分。如：,If(you are)asked,you may come in.,如果你被邀请了，你就可以进来。,If(it is)necessary,Ill explain to you again.,如果有必要，我会再给你解释一次。,