状语从句精讲教学ppt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,,,*,状语从句,1,,状语从句1,,在复合句中由从句表示的状语称作状语从句，它可以用来修饰谓语或是整个句子状语从句,2,,状语从句2,状语从句,,,状语从句,时间状语从句,地点状语从句,原因状语从句,目的状语从句,结果状语从句,条件状语从句,方式状语从句,让步状语从句,比较状语从句,3,,状语从句状语从句时间状语从句3,时间状语从句,引导时间状语从句的连词有：,when, while, as, the moment, before, after, till, until, since, as soon as,等I will tell him when he comes back.,,4,,时间状语从句 引导时间状语从句的连词有：when, whil,,连接词,when,的用法小结,when,引导的时间状语从句的谓语动词,可以是可延续,也可以是表短暂性动作的动词,(,非延续性,),如,When the film ended, the people went back.,When I lived there, I used to go to the seashore.,2.,可用作并列连词，其意义为“那时，这时”，相当于,,and at this/that time,。

常用于下列句式：,(,刚要,……,这时突然,……),记忆,,Sb. was doing something,was about to do sth + when…,was on the point of doing sth.,had just done sth,I was walking along the street , when I met him,I was about to fall asleep when my sister came in.,3.,还可以表示原因“既然”，相当于,since; considering,that,如：,,Why do you walk when you have a car?,,既然你有车为什么要步行呢？,.,5,,连接词when的用法小结5,连接词,when,的用法,1 when,引导的时间状语从句的谓语动词,可以是延续性动词,也可以是表短暂性动作的动词,(,非延续性,),When the film ended, the people went back.,,When I lived there, I used to go to the seashore.,6,,连接词when的用法1 when引导的时间状语从句的谓语动词,2,,when表示 “就在这时”,,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。

be about to do… when…,be doing… when…,had done… when…,We were about to start when it began to rain.,,I was playing computer games when mom came in.,7,,2 when表示 “就在这时” 在下列结构中，表示某件We,连接词,while,的用法,1. while,引导的动作必须是持续性的，在,……,期间，往往指一段时间如：,While,we were talking,, he came in.,,,,Please don’t talk so loud while others,are working.,8,,连接词while的用法1. while引导的动作必须是持续性,2. while,作为并列连词，意为“而，却”，侧重主句动作和从句动作相对比We are cleaning the classroom while,they are playing the football,.,,3. while,可表示尽管，相当于,although,9,,2. while作为并列连词，意为“而，却”，侧重主句动作和,※,while,含义：,While I,was walking down,the street, I came across an old friend. ( while =_______),He likes pop music, while I am fond of folk music. ( while =_______),While I really don,’,t like art, I find his work impressive. (while=___________),While there is life there is hope. (while=_______________),,when,although,as long as,but,10,,※while 含义：whenalthoughas long,连词,when,，,while,，,as,的用法,1,．,while,引导的时间状语从句的谓语动词必须是可延续的， 而,when,引导的时间状语从句的谓语动词是可延续的，也 可以是表短暂性动作的动词。

When/While he was eating his breakfast, he heard the doorbell ring.,,When I stopped my car, a man came up to me.,,(,不可延续，短暂性动词，只可以用,when,，不可用,while),11,,连词when，while，as的用法1．while引导的时间,2,．表示“随着,……”,，连词用,as,，不用,when,或,while,As,the day went on, the weather got worse.,3,如果主句表示的是短暂动作，而从句用延续性动作的进行时态表示在一段时间内正在进行的动作时，,when, while,与,as,可互换使用When/While/As,I was walking down the street, I came across an old friend of mine.,12,,2．表示“随着……”，连词用as，不用when或while4.,从句动作发生在主句动作之前时，只能用,when,引导这个从句，不可用,as,或,while,When,you have finished your work, you may have a rest.,,,,When,the children had gone to bed, she began to prepare her lessons.,13,,4.从句动作发生在主句动作之前时，只能用when引导这个从句,连接词,before,We had sailed four days and four nights,before,we saw land.,,,We hadn’t run a mile,before,he felt tired.,,,Please write it down,before,you forget it.,,,Before,I could get in a word, he had measured me,.,“……,才”,,,“,不到,……,就”,,“,趁,……”,“,还没来得及”,14,,连接词beforeWe had sailed four da,Before,从句中谓语不用否定式,,Before they reached the station, the train had gone.,15,,Before从句中谓语不用否定式Before they re,句型,It will be/was,＋一段时间＋,before…,“,还要过多久才,……”,句型,It will be/was not,＋一段时间＋,before…,“,多久就,……”,It will be two years before he leaves the country.,It wasn’t two years before he left the country.,,16,,句型It will be/was＋一段时间＋before…“,连接词,since,在,it is/ has been +,段时间,+since,从句中，时间的计算从,since,从句的动作完成或状态结束时算起。

It is three years since I smoked a cigar.,,,,It is three years since I began to smoke.,我不吸烟有三年了我吸烟有三年了17,,连接词since在it is/ has been +段时间+,since,在,it is/ has been +,段时间,+since,从句中，时间的计算从,since,从句的动作完成或状态结束时算起如：,It is three years since she was in our class.,It is three years since he lived here,她离开我们班有三年了他不住这儿有三年了比较,it is three years since I smoked a cigar.,It is three years since I began to smoke.,,我不吸烟有三年了 我吸烟有三年了,18,,since在it is/ has been +段时间+sin,No sooner than ---,一,……,就,……,He had no sooner arrived than he went away again.,No sooner,had he arrived than,he went away again.,.,no sooner… than…,用于句首要求倒装,Hardly …when…,Scarcely …when…,19,,No sooner than --- 一……就……No so,till,，,until,和,not …until,的用法,1.,until/till,引导时间状语从句用于肯定句时，主句的动词,是延续性动词，表示动作或状态一直持续到,until/till,所表示的时间，意为“某动作一直延续到某时 间点才停止”。

We waited until he came.,2,用于否定句时，主句谓语动词是非延续性动词，从句,为肯定，意为“某动作直到某时间才开始”,He won’t go to bed till/until she returns.,20,,till，until 和not …until的用法1.unt,3,．,till,不可以置于句首，而,until,可以如：,,,,4,．,not…until,句型中的强调和倒装说法：,,Until you told me I had no idea of it.,It was not until you told me that I had any idea of it.,,Not until you told me did I have any idea of it.,21,,3．till不可以置于句首，而until可以如：Until,It wasn’t until nearly a month later,,___ I received the manager’s reply.,A. since B. when C. as D. that,,,,2.,It was nearly a month _________I received the manager’s reply.,,3.,It was nearly 9 o’clock,_,_____,_,__,I received the manager’s reply.,,4.,It was nearly at 9 o’clock,,_________I received the manager’s reply.,,before,when,that,22,,It wasn’t until nearly a m,考点,:,易混淆句型,it is +,时间,+ since,before,when,that,It is five years ______he finished his research.,It was five years ______he finished his research.,It was five years later _______he finished his research.,,It was 5 o’clock _____ he got home.,It was at 5 o’clock _____ he got home.,,when,that,since,before,that,23,,考点: 易混淆句型whenthatsincebeforeth,Once you see him, you will never forget him.,Once ---,一但,……,就,……,24,,Once you see him, you will nev,引导状语从句的连接词有,:,If, unless, as long as, in case, provided that, on condition that,条件状语从句,25,,引导状语从句的连接词有:If, unless, as lon,,,If ---,如果,If,you don’t hurry up,, you will miss the plane.,If,it snows tomorrow,, the flight will be canceled.,If,you leave at 6 o’clock tomorrow morning,, you’d better get to bed now.,26,,If ---如果If you don’t hurry up,,Unless ---,如果不,,,除非,=if not,We can’t get there on time unless,we book the earliest flight,= We cannot get there on time if we don’t book the earliest flight.,,27,,Unless --- 如果不, 除非=if notWe ca,Don’t trouble trouble unless,trouble troubles you,.,,He will not join us unless,he changes his mind,.,28,,Don’t trouble trouble unless t,As long as ---,只要,We will succeed as long as,we keep on trying,.,You can’t play games as long as,you remember the rules,.,A man is not old,as long as he is seeking something,.,29,,As long as --- 只要We will succe,As (so) far as ---,据,……,所知,As far as,I know,, he speaks English very well.,As/So far as,I know,, he is an expert on DNA.,30,,As (so) far as --- 据……所知As far,In case ---,假使,,,如果 万一,The plane cannot take off in case it rains.,Send us a message in case you have any difficulty.,31,,In case --- 假使, 如果 万一The plane,Provided that,如果,,,有时省略,that,The plane will be in good condition provided that,it is taken care of carefully.,You can become a stewardess provided that,you are in good shape and you have got the proper education,.,32,,Provided that 如果,有时省略 thatThe,On condition that ---,条件是,…,He said that he would come to the meeting on condition that,no one asked him to speak,.,The mother promised to the son to buy him a toy airplane on condition that,he passes his English test,.,33,,On condition that --- 条件是…He s,注,:,主从句的动作发生在将来时，则主句用将来时,,,从句用一般现在时。

If,he arrives tomorrow,, I will be waiting for him at the airport.,He said he would not leave unless it was fine next day.,34,,注:主从句的动作发生在将来时，则主句用将来时, 从句用一般现,地点状语从句,地点状语从句只有两个连词,:,Where, wherever,35,,地点状语从句 地点状语从句只有两个连词:Where, whe,Where,---,在,……,地方,Put the medicine where,you can easily get it,.,Where that high building stands, there used to be some low, deserted houses.,Where there is a will, there is a way.,36,,Where --- 在……地方Put the medicin,Wherever ---,无论哪里,He follows her wherever,she goes,.,Wherever,you are,, I will be right there waiting for you.,37,,Wherever --- 无论哪里He follows he,,在地点状语从句之前，不要使用介词。

误,】You should put the book at where it was.,【,正,】You should put the book where it was.,,你应该把书放在原来的地方误,】We should go to where we are needed most.,【,正,】We should go where we are needed most.,,我们应该到最需要我们的地方去38,,在地点状语从句之前，不要使用介词38,原因状语从句,because, as, since, now that,,和,considering that, for, seeing that,这六个连词都用于表示表示原因,,,但在语气上一个比一个弱,.,39,,原因状语从句 because, as, since, now,Because ---,因为,,,通常从句放在主句后,.,Mr Smith was very upset because,he couldn’t find his luggage,.,He said that he couldn’t work because,the computer was out of order,.,40,,Because --- 因为,通常从句放在主句后.Mr Sm,,because,和,for,的区别。

for,是并列连词，只用于连接表示原因的分句，因此不能用于句首because,表示原因时，可位于句首误,】For he did not obey the rules, he was punished.,【,正,】Because he did not obey the rules, he was punished.,,41,,because 和for的区别41,As ---,因为,,,通常放在句首,As,it is quite windy today,, he decides,As,he is honest and modest,, all his friends like him.,42,,As --- 因为, 通常放在句首As it is quit,Since ---,既然 因语气较弱,,,常译为既然,Since,everybody has come,, we can set off.,Since,the purser didn’t tell us what to do,, we can relax.,43,,Since ---既然 因语气较弱, 常译为既然Since,Now that ---,既然,Now that,you are here,, you can join us.,Now that,all airlines offer discount prices,, we should do the same.,44,,Now that --- 既然Now that you ar,considering that ---,顾及到,Considering that,they are just beginners,, they are doing quite a good job.,45,,considering that --- 顾及到 Consi,seeing that ---,由于,Seeing (that),quite a few people were absent,, we decided to,put the meeting off.,46,,seeing that --- 由于 Seeing (tha,结果状语从句,引导结果状语从句的连词有：,that, so that, so…that…,such…that,47,,结果状语从句引导结果状语从句的连词有：that, so th,So… that ---,太,……,以至于,so,后面应用形容词或副词,,,有时省略,so,只用,that,Boeing 747 is so large that,people like to call it jet bomb,.,The flight scheduled so early that,nobody wanted to look on it,.,48,,So… that --- 太……以至于 so 后面应用形容词,So that ---,因而，以便，为了 有时,so,可以省去,Can you move your luggage a little bit away so that,I can put mine in the overhead bin too,.,Speak louder please so that,the people at the back can hear you,.,49,,So that --- 因而，以便，为了 有时so 可以省去,Such …that… ---,太,……,以至于 用法与,so…that,相同，但,such,后面应用名词。

The foreign visitor was such a fast speaker that,nobody could understand him,.,50,,Such …that… ---太……以至于 用法与so…t,,6.,目的状语从句,引导目的状语从句的主要连词有,:,that, so that, in order that, for fear that, lest,51,,6.目的状语从句 引导目的状语从句的主要连词有:that,,Let’s take the front seats (so) that,we may see more clearly,.,(So) that ---,以便,,,从句中常常使用一些情态动词，如：,can, could, may, might, should,等,52,,Let’s take the front seats (so,in order that ---,为了,,,与,so that,相同从句中常常使用一些情态动词，如：,can, could, may, might, should,等,School was closed early in order that,the children might go home ahead of the storm,.,53,,in order that --- 为了, 与so that,for fear that ---,生怕,;,为了防止,(,某事发生,),He took the name down for fear that he should forget it.,The instructor emphasized on the issue three times for fear that the students did not pay enough attention to the problem.,54,,for fear that --- 生怕; 为了防止(某事发,in case ---,万一,Better take more clothes in case,the weather is cold,.,You should bring a dictionary in case,you need it,.,Please take an umbrella in case,it rains,.,55,,in case --- 万一 Better take mo,Lest ---,以防万一,The man decided to tell his boss the fact lest,he would be angry with him,.,The manager of the workshop asked his staff to work overtime lest,they wouldn’t finish the task on time,.,56,,Lest --- 以防万一The man decided t,比较状语从句,引导比较状语从句的连词有：,As…as…, not so (as)…as…, .,…than…, the more… the more...,57,,比较状语从句 引导比较状语从句的连词有：As…as…, no,As…as… ---,像,……,一样,If you don’t want to miss the flight, you need to be at the airport as early as,possible,.,My grandma told me that her eyesight was as good as,10 years before,.,,Cultivation to the mind is as necessary as,food for the body,.,58,,As…as… --- 像……一样If you don’t w,Not so (as)… as… ---,不像,……,The job is not so difficult as,I thought it would be,.,The flight was not so/as harmful as,the captain predicted,.,59,,Not so (as)… as… --- 不像……The j,…than… ---,比,……,怎么样，用于事物间的比较，,more,后面用形容词或副词,People believe that being a stewardess is better than most of the other jobs.,I personally think that the American movies are more interesting than Chinese ones,60,,…than… ---比……怎么样，用于事物间的比较，more,The more…, the more ---,越,……,越,The more he listened to that song, the less he enjoyed it.,The more things a man is ashamed of, the more respectable he is.,61,,The more…, the more --- 越…… 越T,必背：常见的比较句型。

His father is twice double as old as he (is).,His father is two times older than he .,,他爸爸的年龄是他的两倍Our new school is three times bigger than the old one.,,我们的新学校比老学校大三倍Our new school is four times as big as the old ne.,,我们的新学校是老学校的四倍大Our new school is four times the size of the old one.,,我们的新学校是老学校的四倍62,,必背：常见的比较句型 His father is twic,8.,让步状语从句,,引导让步状语从句的连词有：,Although, though, as, even if, even though, no matter, however, whatever, while, whether,63,,8.让步状语从句 引导让步状语从句的连词有：Although,Although, though,---,虽然,although,和,though,可以互换，但,although,常放在句首。

Though,可以用于倒装Although,it was raining,, the plane managed to take off.,Although,,it was not his fault,, he took all the blame.,64,,Although, though ---虽然 althoug,Though,he did his best,, he didn’t succeed.,Child,,though,,he was,, he did quite well.,65,,Though he did his best, he did,As,---,尽管,as,,引导让步状语从句时，句子通常倒装可与,though,,互换Busy,,as,,he is,, he never misses a football match.,Hard,,as,,she works,, she makes little progress.,66,,As --- 尽管 as 引导让步状语从句时，句子通常倒装,Even if /even though,---,即使,Even if,,you don’t like your boss,, you should do your work.,Even if,,you are not fond of flowers,,you shouldn’t miss the chrysanthemum exhibition.,67,,Even if /even though ---即使Even,Even though,,I might be wrong,, I will go my way.,Even though,,his dean didn’t mean it,, he still felt embarrassed.,68,,Even though I might be wrong,,However,---,不论，,however,引导让步状语从句时，句子通常倒装,He couldn’t get there on time,however,,fast he drove,.,The father couldn’t make his daughter smile,however,,hard he tried,.,69,,However --- 不论， however 引导让步状语,N o matter,(what, when, where, how) ---,无论（什么，何时，何地，怎样）,The old man wouldn’t believe anything,no matter what,,you said,.,Please tell me the result,no matter when,,you get it,.,70,,N o matter (what, when, where,,He wouldn’t forgive me,no matter how,,hard I begged him,.,I will find you,no matter where,,you hide,.,71,,He wouldn’t forgive me no matt,Whatever,---,不管,Whatever,other people may,say,, she won’t change her mind.,Whatever,,you do,, it won’t affect our plan.,72,,Whatever --- 不管Whatever other,While,---,尽管,While,,I have sympathy for you,, I can’t help you.,While,,it’s none of my business,, I will watch you.,73,,While ---尽管While I have sympat,Whether,---,不管，常与,or not,连用,Whether,he is good or not,, the company decided to send him abroad.,Whether,,his proposal is practical or not,, the department plans to adopt.,74,,Whether ---不管，常与or not 连用Wheth,9.,方式状语从句,方式状语从句常由,:,as, as if, as though,75,,9. 方式状语从句 方式状语从句常由:as, as if,,as,---,与,……,一样,Do in Rome,as,,the Romans do,.,Leave things,as,they are,.,76,,as ---与…… 一样 Do in Rome as the,,as if, as though,---,仿佛,,,由,as if,或,as though,引导的从句中可用虚拟语气,She stood at the door,as if (=as though),,she were waiting for,someone,.,77,,as if, as though --- 仿佛, 由as i,1.______ you decide to take up, you should try to make it a success.,A. If B. Whenever C. Unless D. Whatever,,78,,1.______ you decide to take up,2.It is foolish to take a taxi,,,,,,you can easily walk to the station.,A. before B. that C. unless D. when,,79,,2.It is foolish to take a taxi,3.I’ll accept any job, _____ I don’t have to get up early.,A. even though B. though C. in case D. as long as,,80,,3.I’ll accept any job, _____ I,4.___________ problems you have, you can always come to,me for help.,A. What B. Whatever C. Whichever D. Which,,81,,4.___________ problems you hav,6.----Did you remember to give Mary the money you owed her?,---- Yes. I gave it to her ______ I saw her.,A. while B. the moment C.suddenly D. once,,82,,6.----Did you remember to give,7. If we work with a strong will, we can overcome any difficulty, _______ great it is.,A. what B. how C. however D. whatever,,83,,7. If we work with a strong wi,8.I hurried _____ I wouldn’t be late for class.,A. since B. so that C. as if D. unless,,84,,8.I hurried _____ I wouldn’t b,9. John plays football _____ , if not better than, David.,A. as well B. as well as C. so well D. so well as,,85,,9. John plays football _____ ,,10. --What was the party like?,--Wonderful. It’s years,____ I enjoyed myself so,much.,A. after,B. when,C. before,D. since,,86,,10. --What was the party like?,11.Don’t change your mind, ______ happens to you.,A. which B. what C. whichever D. whatever,,87,,11.Don’t change your mind,,12. ___________ he comes, we won’t be able to go.,A. Without B. Unless C. Except D. Even,,88,,12. ___________ he comes, we w,13. Nobody believed him ____________ what he said.,A. even though B. even if C. no matter D. because,,89,,13. Nobody believed him ______,14. I was watching TV _______ suddenly the lights went out.,A. when B. while C. as D. for,,90,,14. I was watching TV _______,15. Take your umbrella with you ____________ it rains.,A. if B. as if,C. in case D. as long as,,91,,15. Take your umbrella with yo,16.No sooner _______ entered the office _______I heard the telephone ringing.,A. had I, when B. I had, than C. had I, than D. I had, when,,92,,16.No sooner _______ entered t,17. I had hardly arrived _____ he started crying to go home.,A. as B. for C. when D. until,,93,,17. I had hardly arrived _____,18.It won’t be long ________ you regret what you said.,A. since B. when C. before D. till,,94,,18.It won’t be long ________ y,19. The new secretary is supposed to report to the manager as soon as she______.,A. will arrive B. arrives C. is going to arrive D. is arriving,,95,,19. The new secretary is suppo,20. ______ the day went on, the weather got worse.,A. With B. Since C. While 。