新状语从句.ppt

1、 Revision ofthe Adverbial Clauses状语从句复习状语从句复习Learning Aims:1.To understand and grasp the usage of the nine types of Adverbial Clause.2.To use them freely and properly.状语从句状语从句（一）状语从句的概念：（一）状语从句的概念：状语从句在复合句中作主句的状语，可以状语从句在复合句中作主句的状语，可以修饰主句中的动词、形容词和副词等。修饰主句中的动词、形容词和副词等。（二）状语从句的分类：（二）状语从句的分类：状语从句按其意义和作用

2、可分为时间、地状语从句按其意义和作用可分为时间、地点、原因、条件、让步、目的、结果、方式、点、原因、条件、让步、目的、结果、方式、比较等九种。比较等九种。九九种种常常用用的的状状语语从从句句及及其其常常用用的的连连接接词词 时间状语从句时间状语从句地点状语从句地点状语从句原因状语从句原因状语从句条件状语从句条件状语从句让步状语从句让步状语从句结果状语从句结果状语从句目的状语从句目的状语从句方式状语从句方式状语从句比较状语从句比较状语从句 九九种种常常用用的的状状语语从从句句及及其其常常用用的的连连接接词词 时间状语从句 when,while,as,before,after,as soon as

3、,till,until,notuntil,where,wherever because,since,as地点状语从句原因状语从句条件状语从句if,unless让步状语从句although,though，as(倒装）,while,no matter which/what/when/where/who/how,whichever,wherever,whatever,whoever,whenever,however,九九种种常常用用的的状状语语从从句句及及其其常常用用的的连连接接词词 结果状语从句 so that,sothat,suchthat so that,in order that as,as

4、 if/as though than,asas,not so/asas,the+比 较级,the+比较级 目的状语从句方式状语从句比较状语从句九九种种常常用用的的状状语语从从句句 时间状语从句地点状语从句原因状语从句条件状语从句让步状语从句结果状语从句目的状语从句方式状语从句比较状语从句 状语从句有九种，状语从句有九种，时地原因条状补，时地原因条状补，目比结果方让步，目比结果方让步，连词引导各不同；连词引导各不同；主句通常前面走，主句通常前面走，连词引导紧随后，连词引导紧随后，从句若在主前头，从句若在主前头，主从之间有个逗。主从之间有个逗。1.While I was wondering at

5、this,our schoolmaster took his place.()2.Where there is a will,there is a way.()3.Now that/Since everybody is here,lets begin our meeting.（）4.Ill speak slowly so that you can understand me.()5.So clever was he a student that he was able to work out all the difficult problems.()6.As long as you dont

6、lose heart,youll succeed.()7.Try as he might,he could not find a job.()8.The old lady treats the boy as if he were his own son.()时间时间地点地点原因原因目的目的结果结果条件条件让步让步方式方式状语从句的分类状语从句的分类（三）状语从句常见考点（三）状语从句常见考点:1、时间状语从句：、时间状语从句：(1)时间状语从句常用时间状语从句常用when,as,while,before,after,since,till,until,as soon as等连词来引导。例如：等连

7、词来引导。例如：It was raining hard when got to school yesterday.While he was doing his homework,the telephone rang.As he walked along the lake,he sang happily.He had learned a little Chinese before he came to China.After he finished middle school,he went to work in a factory.(2)在时间状语从句里，通常不用将来时态，用在时间状语从句里，

8、通常不用将来时态，用现在时态表示将来的动作或状态。例如：现在时态表示将来的动作或状态。例如：Ill ring you up as soon as I get to New York.I will tell him everything when he comes back.He wont believe it until he sees it with his own eyes.(3)在带有在带有till或或until引导的时间状语从句的主从引导的时间状语从句的主从复合句里，如果复合句里，如果主句用肯定式，其含义是主句用肯定式，其含义是“一一直到直到时时”，谓语动词只能用延续性动词。，谓语动词

9、只能用延续性动词。如果如果主句用否定式，其含义是主句用否定式，其含义是“直到直到才才”,“在在以前不以前不”,谓语动词可用瞬谓语动词可用瞬间动词。例如：间动词。例如：The young man read till the light went out.Lets wait until the rain stops.We wont start until Bob comes.Dont get off until the bus stops.before 引导时间状语从句时可根据语境翻译为引导时间状语从句时可根据语境翻译为“还还未未就就”“不到不到就就”“才才”英汉互译：英汉互译：1)We had

10、sailed four days and four nights before we saw land._2)We hadnt run a mile before he felt tired._3)I was severed a cup of tea before I could sit down._4)用不了多久我们就要参加高考了。_5)还得再过半年他爸爸才能从国外回来._我们航行了四天四夜才看到陆地我们航行了四天四夜才看到陆地.我们跑了还不到一英里他就累了我们跑了还不到一英里他就累了.还没等我坐下他们就给我端上一杯茶还没等我坐下他们就给我端上一杯茶.It wont be long befo

11、re we take the College Entrance Examination.It will be half a year before his dad returns/comes back from abroad.2、地点状语从句（、地点状语从句（where,wherever)英汉互译:You are free to go wherever you like._有志者事竟成 _ 注意区分定语从句与状语从句1)Youd better make a mark where you have any questions.()2)Youd better make a mark at the

12、place where you have any questions.()你愿意去哪里就去哪里你愿意去哪里就去哪里Where there is a will there is a way.状语从句状语从句定语从句定语从句3、原因状语从句、原因状语从句(1)原因状语从句通常由原因状语从句通常由because,since,as引引导。例如：导。例如：He didnt come to school because he was ill.As it is raining,we shall not go the zoo.Since you cant answer the question,Ill ask

13、 someone else.(2)because表示直接原因，语气最强。Because引导的原因状语从句多放在主句之后。回答由why提出的问题，只能用because。As和since语气较弱，一般用来表示明显的原因。由as和since引导的原因状语从居多放在句首。例如：Why arent going there?Because I dont want to.As he has no car,he cant get there easily.Since we have no money,we cant buy it.(3)because和so不能同用在一个句子里。4、条件状语从句、条件状语从句(

14、1).在条件状语从句里，谓语动词通常用现在时态表示将来的动作或状态。例如：Ill help you with your English if am free tomorrow.He wont be late unless he is ill.(2).“祈使句+and(or)+陈述句”在意思上相当于一个带有条件状语从句的复合句。例如：Hurry up,or youll be late.=If you dont hurry up,youll be late.5、目的状语从句、目的状语从句so that,in order that(从句中通常含有情态动词）从句中通常含有情态动词）填空：填空：1）他起

15、得这么早为的是赶上第一班车。He got up early so as to/in order to/to catch the first bus.=He got up early_/_ he could catch the first bus.in order that so that 6、结果状语从句、结果状语从句so that,such that,so that一句多译：1)他是如此聪明的学生，以至于成功地解出了所有难题。He was _/_that he was able to work out all the difficult problems.=_/_ that he was a

16、ble to work out all the 2)This is such a difficult problem _ he cant work it out.=This is such a difficult problem _he cant work out.such a clever studentso clever a studentSuch a clever student was heSo clever a student was hethat as注意：除结果状语从句外注意：除结果状语从句外 tooto(太太而不能而不能)so as to.(那么那么以至于以至于)enough to(达到某种程度可以达到某种程度可以)句型转换:He is so young that he cant join the army =He is_ _ _ to join the army.He is _ _ to join the army.He is so young_ _ _ join the army.not old enough too young as not to 7、比较状语从句