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1、Module 4,Music born in America,高二第七册,Grammar 1,Adverbial clauses of time,parts of these sentences indicate the “time”.,The moment I get the money Ill send the ticket. I was just getting into the bath when the telephone rang. He gets more attractive as he gets older. Whenever I go there they seem to
2、be in bed. Ive been very busy since I came back from holiday.,状语从句,状语从句在主从复合句中修饰主句中的动词，形容词或副词，按意义可分为时间、地点、原因、目的、结果、条件、方式、比较、让步等状语从句。从句可放在句首，也可放在句末。放在句首时，从句后面常用一个逗号，放在句末时，从句前一般不用逗号。本模块着重讲解时间状语从句。,时间状语从句：,引导时间状语从句的从属连词有：when, while, as, whenever, before, after, since, till, until, as soon as, once,the
3、 moment, immediately, no soonerthan, hardlywhen, by the time, every time, last time等。,（1）when, as, while （从属连词） when既可引导持续性动作，又可引导短暂性动作。它可以表示主句的动作和从句的动作同时发生，或从句的动作发生在主句动作之前。如： When I was a boy, I used to go to the seashore on Sundays.（同时） When the lesson was over, we began our writing.（从句动作在前）,as引导持
4、续性动作，侧重主句和从句的动作同时发生。 He hurried home, looking behind as he went. I saw your sister as she was getting on the bus yesterday. He sang as he walked.,while指的是“在某一时间里”，“在期间”，从句里的动作必须是持续性的，它也强调主句和从句动作的同时发生，往往侧重主句和从句动作的对比。,如：While he was in London, he studied music. While we were watching TV, he was writin
5、g a composition.,当when, as, while表示“在一段时间里”，主从句的动作同时发生时，可以换用。如： While (When/As) we were discussing, Mr. Smith came in.,*when 可表示“如果”。如： Dont be afraid of asking for help_ it is needed. (2003全国） A. Unless B. since C. although D. when,*while可表示“虽然，尽管”。如： 1)_ modeling business is by no means easy to ge
6、t into, the good model will always be in demand.(2004浙江） A. While B. Since C. As D. If,* _ I accept that he is not perfect, I do actually like the person. (2004江苏） A. While B. Since C. Before D. Unless,when和while（并列连词） while表示对照的意思；when 表示“这时，突然”,I do every single bit of housework_ my husband Bob ju
7、st does the dishes now and then.(2004广西） A. since B. while C. when D. as 2) He was about to tell me the secret_ someone patted him on the shoulder. (2002上海） A. as B. until C. while D. when,3) We were swimming in the lake _ suddenly the storm started.(2004北京春） A. when B. while C. until D. before 4) J
8、asmine was holidaying with her family in a wildlife park_she was bitten on the leg by a lion. (2004上海） A. when B. while C. since D. before,(2)till和until 如果主句谓语动词是持续动词，通常用肯定式的主句，表示“直到为止”。如： I worked till (until) he came back.,1) A good storyteller must be able to hold his listeners curiosity _ he rea
9、ches the end of the story.(2003上海） A. when B. unless C. after D. until 2) We were told that we should follow the main road _we reached the central railway station.(2004辽宁） A. whenever B. until C. while D. wherever, 如果主句谓语动词是瞬间动词，则用否定式的主句表示“直到才”。 如：I didnt go to bed until (till) he came back.,3) -Was
10、 his father very strict with him when he was at school? -Yes. He had never praised him _ he became one of the top students in his grade.(2003春） A. after B. unless C. until D. when,放在句首表示强调时一般用until。如：Until he returns, nothing can be done.,4) Not until all the fish died in the river _ how serious the
11、 pollution was.(1995全国) A. did the villagers realize B. the villagers realized C. the villagers did realize D. didnt the villagers realize,*如果before引导的从句位于主句之后，有时不能译成“在之前”，而要译成“就”、“才” 等。如： The struggle lasted four years before the North won in the end. He almost knocked me down before he saw me.,(3)
12、before “在之前” Before I came downstairs I had prepared myself very carefully for what I must say.,1) Someone called me up in the middle of the night, but they hung up _ I could answer the phone. (2000全国） A. as B. since C. until D. before 2) He made a mistake, but then he corrected the situation _ it g
13、ot worse. (2003北京） A. until B. when C. before D. as,3) Scientists say it may be five or six years_ it is possible to test this medicine on human patients.(2004福建） A. since B. after C. before D. when 4)It was evening _ we reached the little town of Winchester.(2004天津） A. that B. until C. since D. bef
14、ore,(4) by the time, each time, every time, immediately, the moment, the instant, the minute, soon after, shortly after都可以作为连词，引导时间状语。如： By the time he was fourteen, he had taught himself advanced mathematics. Each time he came, he would call on me. You must show him in immediately he comes. I recog
15、nized him the moment I saw him.,注意：时间状语从句中谓语动词不能用任何一种将来时，只能用现在时和过去时表示将来时。,- Did you remember to give Mary the money you owed her? - Yes, I gave it to her _ I saw her. (2001全国春） A. while B. the moment C. suddenly D. once,高考链接,The field research will take Joan and Paul about five months; it will be a long time _ we meet them again. A. after B. before C. since D. when,He was told that it would be at least three more months _ he could recover and return to work. A. when B. before
