1、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,*,(,十二,),状语从句,一、时间状语从句,引导时间状语从句的连词有,when,,,while,,,as,,,before,,,after,,,whenever,,,till,,,until,,,since,,,once,等。,1.when,除了作“当,时候”解之外,还有“那时,(,突然,),,这时,(,突,然,)”,之意,常用于下列句式:,was/were doing.when.“,正,突,然,”,;,was/were about to/going to do.when.“,正要,突,然,”,;,had j
2、ust done.when.“,刚,突然就,。”,We were about to set off on our way when it suddenly began to,rain.,另外,,when,还可作“既然”解,引出原因状语从句。,It was foolish of you to take a taxi when you could easily walk,there in five minutes.,2.before,除译为“在,之前”外,还可译为“还未,就,”,;,“不到,就,”,;“,才,”,;“趁着还没,就,”,;,“还没来得及,就,”,等。,Please write it
3、down before you forget it.,趁你现在没忘把它记下来。,Before I could get in a word,,,he had measured me.,我还没来得及插话他就给我量好了尺寸。,3.,辨析,before,和,since,before,可构成句型:“,it,will(not)be,.before.”,和“,it,was(not,).before.”,,意为“多久之后才,”,。,It wont be long before we meet again.,It was some time before I realized the importance of
4、 it.,since,可构成句型:“,It is/has been.since.”,,意为“做某事已有多,久了;已有多久没做某事了。”,It is three years since I smoked a cigar.,我不吸烟有三年了。,It is three years since I began to smoke.,我吸烟有三年了。,4.,辨析,while,和,as,while,和,as,都可译为“在,期间;正当,时”,表示主句中的动,作和从句中的动作同时发生。但,while,从句中的谓语动词通常是,持续性动词,而,as,从句中的谓语动词既可是持续性动词,也可是,短暂性动词。,Pleas
5、e dont talk so aloud while others are working.,He hurried home,,,looking behind as he went.,【,注,】,as,还可译为“随着”,表示事态或状况的变化或发展过程。,As the years went by,,,his hair turned grey.,另外,,just as,是固定搭配,意为“正当,时”。,Just as he was leaving his house,,,the telephone rang.,while,有时可译为“而,却”,表示上下文的转折对比关系。,He likes pop m
6、usic,,,while I am fond of folk music.,while,还有“虽然”之意,引出让步状语从句。,While I understand your viewpoint,,,I dont agree with you.,虽然我理解你的观点,但我不同意。,5.,当表达“一,就,”,之意时,可用,as soon as,,,immediately,,,directly,,,the moment,,,the minute,等引出状语从句,还可用,no,sooner.than.,,,hardly/scarcely.when.,等句型。,The moment I heard the
7、 voice,,,I knew father was coming.,We had no sooner arrived at the station than the train left.,The boy burst into tears immediately he saw his mother.,6.,短语,every time,,,each time,,,next time,,,the first time,,,any,time,,,by the time,等也可引导时间状语从句。,Every/Each time I was in trouble,,,he would come to
8、help me out.,每次我陷入困境时,他就会来帮助我。,二、地点状语从句,引导地点状语从句的连词有,where,,,wherever,等。,The church was built where there had once been a Roman,temple.,这座教堂建在一罗马寺庙的旧址上。,The thread breaks where it is weakest.,线从最弱的地方断。,三、原因状语从句,引导原因状语从句的连词有:,because,,,as,,,since,等。,As I had a cold,,,I was absent from school.,因为我得了感冒
9、我缺课了。,此外,,now(that,),,,seeing(that,),,,considering(that,),,,given(that,),等短语也可引导原因状语从句。,Now that you are all here,,,lets try and reach a decision.,既然你们都在这儿,咱们就设法作出一个决定。,Considering hes only been learning English a year,,,he,speaks it very well.,考虑到他学英语才一年,他讲得很好了。,四、条件状语从句,引导条件状语从句的连词有:,if,,,unless,
10、等。,If you have finished your homework,,,you can go out and play.,Youll fail the exam unless you study hard.,【,注,】,条件状语从句中通常不用将来时态,要用一般现在时,或现在完成时代替一般将来时,一般过去时或过去完成时代,替过去将来时。,另外,,so/as long as(,只要,),,,in case(,万一,的话,),,,on,condition that(,假如;在,条件下,),,,suppose/,supposing(that,)(,假设,),,,provided/,provid
11、ing(that,)(,倘,若;在,条件下,),等也可引导条件状语从句。,As long as you dont lose heart,,,you will succeed.,In case anything important happens,,,please call me up.,Ill come on condition that my parents are invited,,,too.,五、让步状语从句,1.,引导让步状语从句的连词主要有:,although,,,though,,,as,,,even,though,,,even if,。,They will stand by you
12、 even if you dont succeed.,【,注,】although,和,though,不可与,but,连用,但可与,yet,,,still,或,nevertheless,连用。,Although it was raining hard,,,yet they went on playing football.,2.whether.or.,可引导让步状语从句,意为“不管是,还,是,;不论是否,”,。,Youll have to attend the ceremony whether you are free or busy.,不管你忙不忙,你都要参加这个典礼。,3.whatever,
13、whoever,,,whichever,,,however,,,whenever,,,wherever,等与,no matter what/who/which.,等亦可引导让步状语,从句,意为“不管,;无论,。,However far it is,,,I intend to drive there today.,The quality will be the same,,,whichever of them you choose.,六、方式状语从句,引导方式状语从句的连词有:,as,,,as if,,,as though,等。,Do as you are told to,,,or youl
14、l be fired.,请按照要求去做,否则你会被开除。,【,注,】(,just)as,.so.,是一常用句型,意为“正如,那,样,,也一样”;有时,so,分句中可用倒装语序。,Just as the Americans like baseball,,,so the British like soccer.,就像美国人喜欢棒球一样,英国人喜欢足球。,七、目的状语从句,引导目的状语从句的连词有:,so that,,,in order that,,,for fear,that,,,in case,等。,Ill speak slowly so that you can understand me.,
15、The boy hid himself behind the tree for fear that his father,should see him.,Take your raincoat in case it rains.,八、结果状语从句,引导结果状语从句的连词有:,so that,,,so.that.,,,such.that.,。在非正式语体中,由,so.that.,,,such.that.,引,导的句子中,that,可以省略。,I was caught in a shower,,,so that all my clothes got wet.,It was so dark that
16、he couldnt see the faces of his companions.,He is such a marvelous joker that you cant help laughing.,过关落实,1._ he had not hurt his leg,,,John would have won the race.,A.If,B.Since,C.Though,D.When,解析:,if,引导条件状语从句。,答案:,A,2.Id like to study law at university _ my cousin prefers,geography.,A.though,B.as
17、C.while,D.for,解析:,连词,while,表示转折,意思是,“,而,可是,”,。,答案:,C,3.He was told that it would be at least three more months _,he could recover and return to work.,A.when,B.before,C.since,D.that,解析:,“,It is/was/will be,一段时间,before,”,译为,“,多长时,间之后才,”,。,答案:,B,4._ I really dont like art,,,I find his work impressive.
18、A.As,B.Since,C.If,D.While,解析:,while,引导让步状语从句,译为,“,尽管,”,;,as,虽可引导让步,状语从句,但从句须倒装。,答案:,D,5.You will be successful in the interview _ you have,confidence.,A.before,B.once,C.until,D.though,解析:,once,引导条件状语从句,译为,“,一旦,”,。,答案:,B,6.Many of them turned a deaf ear to his advice,,,_ they,knew it to be valuable.
19、A.as,if,B.now,that,C.even,though,D.so,that,解析:,“,even,though”means“even,if”,,引导让步状语从句。,答案:,C,7.My parents live in a small,village.They,always keep candles in the,house _ there is a power cut.,A.if,B.unless,C.in,case,D.so,that,解析:,in case,“,以防,万一,”,引导条件状语从句。,答案:,C,8.“You cant have this football back
20、 _ you promise not to,kick it at my cat again,,”,the old man said firmly.,A.because,B.since,C.when,D.until,解析:,not.until,意为,“,直到,才,”,。,答案:,D,9.Jenny was very sad over the loss of the photos she had shot at,Canada,,,_ this was a memory she especially treasured.,A.as,B.if,C.when,D.where,解析:,as,此处引导状语从
21、句,表原因。,答案:,A,10.If you are traveling _ the customs are really foreign to,your own,,,please do as the Romans do.,A.in,which,B.what,C.when,D.where,解析:,where,引导地点状语从句。,答案:,D,11.Its known to all that _ you take exercise regularly,,,will,you keep good health.,A.unless,B.only,when,C.although,D.if,only,解析:
22、注意倒装结构。,答案:,B,12.He asked me just to sit down and drink some water _ I,could say anything about my travel plan.,A.while,B.when,C.if,D.before,解析:,本句中,before,可译为,“,还没来得及,”,。,答案:,D,13.I had just finished doing my examination papers _ the,bell rang.,A.when,B.while,C.before,D.after,解析:,had just done.whe
23、n,表示,“,刚做完,就,”,。,答案:,A,14._ I admit his good points,,,I still feel it unwise to offer,him this important position.,A.While,B.Unless,C.When,D.As,解析:,while,在本句中表示,“,尽管,虽然,”,。,答案:,A,15.We shouldnt ignore what happens _ it is difficult for us,to accept some stories.,A.even,if,B.as,if,C.on,condition that,D.seeing,that,解析:,even if,即使;,as if,好像;,on condition that,在,条件下。,答案:,A,






