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1、关于状语从句讲解和练习现在学习的是第1页，共41页1.时间状语从句1)由连词由连词when,while,as,as soon as,before,after,since,till/until等等引导。引导。主句用将来时，从句常用一般现在时主句用将来时，从句常用一般现在时表将来表将来I will tell him when he comes back.现在学习的是第2页，共41页2)while,when,as辨析辨析 While引导的时间状语从句引导的时间状语从句只指一段时间只指一段时间，强，强调某一段时间内，主从句动作调某一段时间内，主从句动作同时同时发生。发生。从句动词常是从句动词常是延续性
2、延续性的的 When既可以指既可以指一个时间点一个时间点,也可以是一段时间也可以是一段时间，可表示主从句的动作可表示主从句的动作同时同时或或先后先后发生。从发生。从句动词句动词可以是延续性可以是延续性的，的，也可以是非延续性也可以是非延续性的。的。As强调主句强调主句从句动作相并发生从句动作相并发生,译为译为”一边一边一边一边”现在学习的是第3页，共41页When he returned,his wife was cooking.While he was reading,his wife was cooking.He hurried home,looking behind as he went
3、.现在学习的是第4页，共41页对比训练 1_ he heard this,he got very angry.2.I met Lucy_ I was walking along the river.3._ a child,he lived in the countryside.A.when B.while C.as现在学习的是第5页，共41页另外另外,when/while还作并列连词还作并列连词,连接并列分句连接并列分句,while表示表示“而而,可是可是”如如:I like reading while my wife enjoys watching TV.when表示表示“就在这时就在这时”
4、在下列结构中，表示某件事正在下列结构中，表示某件事正在发生或刚刚发生，另一动作同时发生。在发生或刚刚发生，另一动作同时发生。1.be about to do when2.be doing when3.had done whene.g.We were about to start when it began to rain.I was playing computer games when mom came in.现在学习的是第6页，共41页while的用法小结的用法小结：While I was walking down the street,I came across an old frien
5、d.(while=_)He likes pop music,while I am fond of folk music.(whileWhile I really dont like art,I find his work impressive.(while=_)现在学习的是第7页，共41页We were about to leave_ it began to rain.2.She thought I was talking about her son,_,in fact,I was talking about my son.3.Hardly had I finished my composit
6、ion _ the bell rang.A.when B.while C.as D.during现在学习的是第8页，共41页3)until/till(不用于句首不用于句首)“延续的动词（延续的动词（肯定式肯定式）+until”表示表示“直到直到为止为止”I waited for him until he came back.“非延续性动词（非延续性动词（否定式否定式）+until”表示表示“直到直到才才”He didnt go to bed until he finished his work.Not until he saw it himself did he believe it.注意注意
7、:not until 在句首时要倒装在句首时要倒装现在学习的是第9页，共41页4)表示表示“一一就就”的句型的句型(1)as soon as,once,the moment/minute/second,immediately/directly/instantlyAs soon as he comes,Ill tell him.The moment I saw him,I recognized him.I left immediately the clock struck 5.(2)on/upon doing/on(upon)ones+nOn arriving at the station,th
8、e thief was arrested.On his arrival in Paris,he was recognized as a famous person.现在学习的是第10页，共41页5)Every time,each time等也可以引导等也可以引导时间状语从句时间状语从句Every time I caught a cold,I had pain in my head.(3)no sooner than/hardly when/scarcely whenNo sooner had they reached home than it started to rain.Hardly ha
9、d I entered the room when the telephone rang.现在学习的是第11页，共41页连接词连接词before的小结：的小结：1.We had sailed four days and four nights before we saw land.2.We hadnt run a mile before he felt tired.4.Before I could get in a word,he had measured me.现在学习的是第12页，共41页现在学习的是第13页，共41页一、若since引导的状语从句的谓语动词是终止性的过去时，则从句表示的时
10、间是“从动作开始的那一时刻起”。如：He has studied very hard since he came to our school.自从他来到我们学校，他学习就非常 努力。We have been missing them since they left here自从他们离开这里，我们就一直很想念他们。现在学习的是第14页，共41页二、若since引导的状语从句的谓语动词是持续性动词或表示状态的动词的过去时时，则从句表示的时间是“从那持续动作或状态结束时算起”。如：I havent heard any noise since I slept.Sleep 为持续性动词，sleep的动作
11、结束时，即“醒来”时，这句应译为“我醒后还未听到任何声音”。John is now with his parents in New York,it is already three years since he was a teacher约翰现在和父母一起住在纽约，他不当教师已经三年了。现在学习的是第15页，共41页How long is it since you lived in Shanghai?你离开（没住在）上海多久了延续性；不 多长时间了It is half a month since he was a League member.他退团（不当团员）半个月了。Its been qui
12、te some time since I was last in London我离开伦敦已很长时间了。比较：He has written to me frequently since I was ill.自从我病愈以来，他屡次给我写信。（从句谓语为状态动词）He has written to me frequently since I fell ill.自从我生病以来，他就屡次给我写信。（从句谓语为终止性动词）现在学习的是第16页，共41页ll let you know _ he comes back.A.before B.because C.as soon asD.although It i
13、s about ten years _ I met you last.since B.forA.C.when D.as_ we got to the station,the train had left already.A.If B.Unless C.Since D.When现在学习的是第17页，共41页We didnt go home _ we finished the work.A.since B.until C.because D.though.He was about halfway through his meal _ a familiar voice came to his ear
14、s.A.why B.where C.when D.while It was not _ she took off her dark glasses _ I realized she was a famous film star.A.when;that B.until;that C.until;when D.when;then现在学习的是第18页，共41页Scientists say it may be five or six years _ it is possible to test this medicine on human patients.A.since B.after C.befo
15、re D.wheWhy didnt you tell him about the meeting?He rushed out of the room_I could say a word.A.before B.until C.when D.after现在学习的是第19页，共41页_ I accept that he is not perfect,I do actually like the person.A.While B.Since C.Before D.UnlessDid you remember to give Mary the money you owed her?Yes.I gave
16、 it to her _ I saw her.A.while B.the moment C.suddenly D.once现在学习的是第20页，共41页2.让步状语从句让步状语从句 引导词有：引导词有：although,though,even if/though,as,while（尽管）（尽管）whetheror(无论无论还是还是),whoever=no matter who whenever=no matter whenwhatever=no matter whatwherever=no matter wherehowever=no matter how现在学习的是第21页，共41页1)as
17、 引导的让步从句要倒装，句型为：引导的让步从句要倒装，句型为：形容词形容词/副词副词/名词（不带冠词）名词（不带冠词）/动词（原形动词（原形）+主语主语+谓语谓语Young as he is,he knows a lot.Much as I like it,I cant afford it.Farmer as he is,he is well-educated.Try as I might,I couldnt lift the stone.2）although不倒装，不倒装，though可倒装也可不可倒装也可不倒装倒装,as 必须倒装必须倒装 Although/Though he was il
18、l he didnt stop working.现在学习的是第22页，共41页3）no matter+疑问句引导让步状语从句疑问句引导让步状语从句No matter what happened,he shouldnt mind.=Whatever happened,he shouldnt mind.No matter who you are,you should obey the social rules.=Whoever you are,you should 4)whether orWhether you believe it or not,it is true.whether or不管不管
19、还是还是a.Whether the weather is good or bad,they will set off as they planned.B.Whether he drives or takes the train,he will be here on time.现在学习的是第23页，共41页1、He tried his best to solve the problem,_ difficult it was.A.however B.no matter C.whatever D although 2、The old tower must be saved,_the cost.Aho
20、wever Bwhatever Cwhichever Dwherever 对比训练 3 1.Child _ she is,she know a lot.2.He did the experiment _ he was told.3.The pianos in the other shop will be cheaper,but not _ good.A.during B.as C.so D.though E.both B and C 现在学习的是第24页，共41页3.地点状语从句地点状语从句引导词有引导词有:where,wherever注意：不要混同于注意：不要混同于where 引导的定语从句
21、引导的定语从句与定语从句的区别：与定语从句的区别：where引导定语从句，引导定语从句，从句前有一个表示地点的名词。从句前有一个表示地点的名词。Go back where you came from.Go back to the village where you came from.(有志者，事竟成）有志者，事竟成）Ill follow you wherever you go.Where there is a will,there is a way.现在学习的是第25页，共41页When you read the book,you d better make a mark _ you hav
22、e any question.A at which B at where C the place where D whereWhen you read the book,you d better make a mark at the place _ you have any question.A which B at where C the place where D where现在学习的是第26页，共41页4.原因状语从句原因状语从句由由because,since,now that,as引导。引导。(1).because 语气最强，用来回答语气最强，用来回答why提问，可用提问，可用在强调句
23、型中在强调句型中,引导的从句表示直接的、根本的原引导的从句表示直接的、根本的原yin It was because he was ill that he didnt go with us.(2).Since语气比语气比because弱，表示关系上的自然结弱，表示关系上的自然结果，一般译成果，一般译成“既然，鉴于既然，鉴于”（往往放于主句之前（往往放于主句之前）Since no one is against it,lets carry out the plan.（既然没人反对（既然没人反对,)现在学习的是第27页，共41页(3).as语气最弱，只说明一般的因果关系（语气最弱，只说明一般的因果关系
24、（可放于主句之前，也可放于主句之后）可放于主句之前，也可放于主句之后）Wear strong shoes as we shall do a lot of walking today.(4).for也可以表示原因，不是说明直接原因，而也可以表示原因，不是说明直接原因，而是对某种情况加以推倒，用于表示是对某种情况加以推倒，用于表示补充说明补充说明理理由。由。He must be ill,for he is absent today.(5).now that用来说明一种新情况，然后加以用来说明一种新情况，然后加以推理，推理，now that放于句首时，放于句首时，that可省略。可省略。Now(th
25、at)everybody is here,lets begin.现在学习的是第28页，共41页_ the day went on,the weather got worse.A.With B.Since C.While D.AsHe took off his coat _ he felt hot.A.because B.as C.if D.since现在学习的是第29页，共41页5.目的状语从句目的状语从句引导词：引导词：in order that,so that(为了）为了）,for fear that,in case,谓语动词常含有谓语动词常含有can,could,may,might,wi
26、ll,would等情态动等情态动词。词。Ill speak slowly so that everybody can understand me.He wrote the name down for fear that(in case)he would forget.现在学习的是第30页，共41页现在学习的是第31页，共41页Ann listened carefully _ she could discover what she needed.A.such that B.in order that C.because D.even though11.I hurried _ I wouldnt
27、be late for class.A.since B.so that C.as if D.unless现在学习的是第32页，共41页6.结果状语从句：结果状语从句：引导词有：引导词有：sothat,suchthat,so that 常用句型：常用句型：so+adj.(adv.)+that so+adj.+a(an)+n.+that Such+a(an)+adj.+n.+that Such+adj.+n(s)+thatHe spoke so fast that I couldnt follow him.It was such a good day that we all went swimmi
28、ng.现在学习的是第33页，共41页 He left in _a hurry _he forgot to lock the door.such,that B.so,that A.C.such,as D.so,when.Farmers rotate(轮作)their crops _ the soil will remain fertile.A.so that B.because of C.in order to D.rather than It was _ a hundred people looked lost in it.A.so large a room that B.so large r
29、oomC.a such large room D.such large a roomHe has _ little education that he cant teach _ little children.A.so;such B.too;such C.a;so D.very;so 现在学习的是第34页，共41页7.条件状语从句条件状语从句1.由由if,unless(=if not),so/as long as(只要只要),suppose/supposing(假设，如果假设，如果),in case(以防以防),on condition that,only if ,if only引导。引导。e
30、.g.You may use the room as long as you clean it up afterwards.2.“祈使句祈使句+and/or/or else/otherwise”引引导的结果句，祈使句在实际意义上相当于条导的结果句，祈使句在实际意义上相当于条件状语从句。件状语从句。Use you head,and you will find a way.Get up now,or you will be late.现在学习的是第35页，共41页1、The WTO cannot live up to its name _ it does not include a country
31、 that is home to one fifth of mankind.Aas long as BwhileCif Deven though2、It is known to all that _ you exercise regularly,you wont keep good health.A.unless B.whenever C.although D.if unless 相当于 if not，意思是“除非”“如果不就”。这也是高考的热点之一。复习时也应给予高度重视。1、_ I can see,there is only one possible way to keep away fr
32、om the danger.A.As long as B.As far as C.Just as D.Even if 2、I always take something to read when I go to the doctors _ I have to wait.Ain case Bso that Cin orderDas if 现在学习的是第36页，共41页8.方式状语从句方式状语从句 引导词有引导词有:as(如同如同),as if/though(好像好像)They are talking as if(as though)they were old friends.注意：注意：as，l
33、ike 都表示都表示“像像”，I work as others do.I work like others.as 是连词是连词，后加句子，后加句子 like 是介词，后加名词、代词、名词短语是介词，后加名词、代词、名词短语现在学习的是第37页，共41页9.比较状语从句比较状语从句由由as as,not as/soas,than,the more the moreHe ran as far as he could.The harder you try,the better you will understand.现在学习的是第38页，共41页四四.状语从句的时态问题状语从句的时态问题问题1：1、
34、The house could fall down soon if no one_ some quick repair work.A has done B is doing C does D had done 2、It is almost five years _ we saw each other last time.A.before B.since C.after D.when 在条件，时间和让步从句中，用一般现在时表示一般将来时，用现在完成时表将来完成时，用一般过去时表过去将来时。在 since 引导的时间状语从句中，动词一般都用一般过去时，而主句常用现在完成时。现在学习的是第39页，共
35、41页五、状语从句的倒装问题五、状语从句的倒装问题问题问题1：1、So difficult _ it to live in an English-speaking country that I determined to learn English.A.I have felt B.have I felt C.I did feel D.did I feel2、Not until all the fish died in the river _ how serious the pollution was.A.did the villagers realize B.the villagers realized C.the villagers did realize D.didnt the villagers realize现在学习的是第40页，共41页感谢大家观看感谢大家观看现在学习的是第41页，共41页