时间状语从句专项.ppt
Welcome,Geng Zhongliang,Daan Vocational Education Center,Adverbial Clauses 状语从句,掌握状语从句的关键,1.准确掌握每一个连词的含义。2.注意主句和从句的时态呼应。,条件状语,原因状语,目的状语,地点状语,比较状语,结果状语,时间状语,让步状语,方式状语,Adverbial clauses of time,时间状语从句,引导时间状语从句的普通类从属连词有when(当时),while(在期间),as(当,一边一边),before(在之前),after(在之后),since(从以来),till/until(直到),whenever(无论何时),as soon as(一就)等。,1.My mum was cooking when I got into the kitchen.2.Ill call him as soon as I get there.3.While he was watching TV,his father came in.,时间状语从句,时间状语从句,时间状语从句,Do you know the sentences?,1.连接词when,while的用法区别,1).When/While he was eating his lunch,the doorbell rang.When I stopped my car,a man came up to me.小结: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。2).When you have finished your work,you may have a rest.小结:从句动作发生在主句动作之前时,只能用 when引导这个从句,而不能用while。,2.用while,when填空:,_ I was walking down the street,I noticed a police car in front of the store._ John arrived,I was cooking lunch.I was wandering(徘徊)through the street_ I caught sight of a tailors shop.,When/While,When,when,总结:相当于and at this/that time。意思为“正在/刚要这/那时(突然)”,3、When 的特殊用法,We were having a class when someone broke in.(突然有人闯了进来).We were about to set off when it began to rain.(这时开始下雨了),4).until/till(不用于句首),He did not go to bed until he finished his work.(直到才),=Not until he finished his work did he go to bed.,注意:not until 在句首时主句要倒装,5).before“还未就”,“不到就“才”;since“自从”,We hadnt run a mile before tired.(我们还没跑到一里就累了)Do it now before you forgetI have been teaching here since I graduated,Practising 1.Ill write to you _ I get there.A.while B.before C.as soon as D.by2.He has lived in the city _ he came back from America.A.when B.before C.since D.after3.We wont leave here _ our teacher comes back.A.until B.since C.after D.as soon as4.I had to finish the picture _ my mother came back.A.until B.before C.after D.while5.John fell asleep _ he was listening to the music.A.after B.before C.while D.as soon as,6.It was quiet _ those big trucks started coming through the town.A.before B.after C.until D.unless,C,7.We were told that we should follow the main road _ we reached the central railway station.A.whenever B.until C.while D.wherever,B,8.He was about to go to bed _ the doorbell rang.A.while B.as C.before D.when,D,9._ John was watching TV,his wife was cooking.A.As B.As soon as C.While D.Till,C,10 _ they had worked for along time,everyone looked tired.A While B After C Unless D For 11 He has been a teacher _ he came to the country.A since B until C as D when,12 Some people want to go hunting,_ others want to go finishing.A or B because C while D since 13 Would you please wait _ I come back.A if B when C because Dtill,14.Ill let you know _ he comes back.A.before B.because C.as soon asD.although,15.It is about ten years _ I met you last.since B.forC.when D.as,16._ we got to the station,the train had left already.A.If B.Unless C.Since D.When,17.We didnt go home _ we finished the work.A.since B.until C.because D.though,19.He was about halfway through his meal _ a familiar voice came to his ears.A.why B.where C.when D.while,18.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,20(2011高考上海卷)If a lot of people say a film is not good,I wont bother to see it,or Ill wait_it comes out on DVD.Awhether BafterCthough Duntil,解析:选D。考查状语从句。句意:如果很多人都说一部电影不好,我就不会去(电影院)看,或者我会等到它的DVD出版。,课堂小结,Thanks for listening,