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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,状语从句,理解表示,时间、条件、原因、比较、结果、让步,等状语从句，并掌握它们的基本用法,考试要求,b/c,2009,年考试说明中提出的考试目标：,状语从句,b,级：,对知识的领,会、理解和,转换。,c,级：,对知识的,运用、分析,和重组。,1.Ill ring you up,I get to America,2._it rains tomorrow,the sports meeting will,be put off.,3.They walked out of the room,the meeting,was over.,4.I think Chinese is _ interesting _English.,5.This mountain is _ steep_ we can hardly,reach the top,6._ _ she is eighty,she looks strong and healthy.,7.He sat in the dark _ _ he couldnt be seen.,as soon as,If,because,as,as,so that,Even though,so that,填空,:If so that even though because sothat as,as,as,soon as,1.Ill ring you up,I get to America,2._it rains tomorrow,the sports meeting will,be put off.,3.They walked out of the room,the meeting,was over.,4.I think Chinese is _ interesting _English.,5.This mountain is _ steep_ we can hardly,reach the top,6._ _ she is eighty,she looks strong and healthy.,7.He sat in the dark _ _ he couldnt be seen.,What kind of adverbial clause,（状语从句）,？,as soon as,If,because,as,as,so that,Even though,so that,时间,条件,原因,比较,结果,让步,目的,The Adverbial Clause,状语从句,时间状语从句,条件状语从句,原因状语从句,比较状语从句,结果状语从句,让步状语从句,目的状语从句,状语从句在句子中做状语，,修饰主句中的动词、形容词和副词等。,一、时间状语从句,when,while,before,after,；,since,till/until,notuntil,；,as soon as,引导时间状语从句的连词：,1.I was waiting for the bus while I met him.,2.,While he was doing his homework,I,listened to the radio.,3.Ill tell you as soon as Ill know.,4.We often finish our homework after we go,to bed.,5.We have been friends after we met at school.,6.Jim didnt go to bed since his mother came,back.,改错：,when,was listening,/,before,since,until,二者均可表示“当,的时候”，如果主句表示,的是短暂的动作，,而从句表示的是一段时间，二者可通用。,I met Jim,when,while,I was walking along the street,when,，,while,的区别：,when,可与,终止性,动词连用，,while,只能,与,延续性,动词连用。,It,was snowing,when,we,got,to the,airport,（不能用,while,）,while,强调主句表示的动作持续于,while,所,指的整个时间内；,when,可指主、从句所述动作同时或先后,发生。,Please write,while,I am reading,My mother was cooking when the telephone rang,.,When,he reached home,he had a little rest,在肯定句中，表示“直到,为止”，主句要用延续性动词,表示动作的结束；在否定句中，表示“直到,才”，主句常用终止性动词，,表示动作的开始；,这时,till,和,until,可用,before,替换。,until=till,I,waited,till,until he arrived,We wont,start,until,till,before Bob comes,1,The meeting didnt start_ everyone was there,A.becauseB.until C.why D.if,2,The boy _ to bed _ his mother came in.,went not;until,B.didnt go;after,C.went;until D.didnt go;until,3.I wont believe you_ I have seen it with my own eyes.,A.before B.until C.after D.when,从句中常用过去时，主句用一般现在时或现在完成时。,What,have,you,done,since,you,joined,the Greener China?,Where,have,you,been,since,I,saw,you last year,？,since,如果主句是一般将来时，情态动词加动词原形或祈,使句时，时间状语从句用一般现在时。,I,ll phone,you as soon as I,arrive,in Beijing,as soon as,二、条件状语从句,引导条件状语从句的连词：,if,unless,If I,will,have enough money next year,I,will,go to Japan.,2),假如你努力，你就会成功。,/,If you work hard,you,will,succeed.,We cant write to Mary,unless,she tells us her,address,.,We cant write to Mary,if,she,doesnt,tell us her address.,我们不能给玛丽写信除非她告诉我们地址。,.,三、原因状语从句,because,since,as,引导原因状语从句的连词：,The ship was put off,because,there was a storm.,The ship was put off,because of,the storm,.,Because,he was ill,he didnt go to school,.,He was ill,so,he didnt go to school.,because,because,，,as,，,since,区别,I will not go with you _ Im busy with my homework.,_ the weather was fine,we decided to play football.,because,As,because,往往指对方不知道的原因，多用语回答,why,提出的问题。,例如,:,Mr.Zhang can,t come here,because,he,s very busy.,as,或,since,一般用于说话双方都明了的原因或做某事的理由。,例如,:,a),Since,you are ill,you,d better stay at home.,b),As,the problem is very important,we,ll talk about it again.,四、比较状语从句,than,as,as,not,as(so,)as,the,the,引导比较状语从句的连词：,1,）甲与乙某一方面相同，,“,as,形容词,/,副词的,原级,as,”,甲在某一方面不如乙时，,“,not as,so,形容词,/,副词的,原级,as,”,Dalian is as,beautiful,as Shenzhen,I dont run as,so,fast,as Kang Li,2,）表示甲超过或不及乙时，用比较级,He runs,faster,than you,Basketball is,more,popular,than,football in our class.,Football is,less,popular,than,basketball in our class.,3,）,the+,比较级,the+,比较级,“越,.,越,.”,The more,trees,the better,.,The more,you worry,the less,youll succeed.,连词：,sothat,（如此,以致于）,suchthat,（如此,以致于）。,常用句型：,so,形容词副词,that,从句,so+,many/few+,复数名词,+that,从句,much/little+,不可数名词,such a,an,形容词单数可数名词,that,从句,such,形容词复数可数名词不可数名词,that,从句,五、结果状语从句,这个故事如此有趣，我永远忘不了它。,The story is,so,interesting,that,Ill never forget it.,It is,such,an interesting story,that,Ill never forget it.,这座山如此的高，我爬不到山顶。,The mountain is,so,high,that,I cant climb to the top.,Its,such,a high mountain,that,I cant climb to the top.,我的钱是如此的少所以我不能借给你。,他的问题如此之多，我不能都回答出来。,I had,so,little money,t,hat,I couldnt lend it to you.,He has,so,many strange questions,that,I cant answer all of them.,The weather is,so,bad,that,we have to stay at home.,It is,such,bad,weather,that,we have to stay at home.,六、让步状语从句,though,although,（虽然）,even though,（尽管）,no matter who,（,无论谁）,no,matter how,（无论怎样）,no matter what,（无论什么）,引导让步状语从句的连词：,虽然他年纪大了，他工作还是非常努力。,Although(Though,),he is old,he works hard.,即使你这样说，我还是不相信。,Even though(even if),you say so,I dont believe it.,虽然工作很困难，我们还是要按时完成。,Though,the work is diff
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