语法--状语从句.ppt

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1、外研版外研版 高一年级高一年级(必修必修2)Module 5Grammar 1 and 2Grammar 1 and 2同学们列举一下我们所接触到的状语从句同学们列举一下我们所接触到的状语从句 状语从句状语从句原因状语从句原因状语从句结果状语从句结果状语从句时间状语从句时间状语从句地点状语从句地点状语从句条件状语从句条件状语从句让步状语从句让步状语从句时间状语从句时间状语从句1.由由when,whenever,as,while,after,before,until,till,since,once,as soon as,等等引导的时间状语从句。引导的时间状语从句。1 When the bell

2、rang,the guard was waiting in his seat.2 While ants grow they change their forms three times.3 Three months went by before Aqiao knew it.4 I waited till he had finished his task.5 Once you reminded me of the old man,I will certainly remember him.Translate the above sentences.2.由由the minute,the momen

3、t,the instant,the day,the week,the year,the first time,any time,every time,each time,the last time,all the time,from the time,by the time,immediately,instantly,directly 等引导的时间状语从句。等引导的时间状语从句。1 我一见到你就认出了你。我一见到你就认出了你。I recognized you the minute I saw you.2 他来的那一天就访问了我。他来的那一天就访问了我。3 We were there the w

4、eek it snowed so heavily.He called on me the day he arrived.雪下得很大的那一周我们在那里。雪下得很大的那一周我们在那里。3.其中其中the minute,the moment,the instant,the second,以及以及immediately,instantly,directly 表达的意思一样表达的意思一样,都都是是“一一就就”可以相互替换。可以相互替换。eg:You must show the gentleman in immediately he comes.You must show the gentleman in

5、 the minute/the moment/instantly he comes.翻译下列句子翻译下列句子:你一按按钮你一按按钮,灯就会亮。灯就会亮。他一出现他一出现,便一片沉寂。便一片沉寂。The lamp will light instantly you press the button.Directly he appeared there was dead silence.4.另外还要注意另外还要注意 hardly when,scarcelywhen,no soonerthan的的 意义和用法。意义和用法。这三者的意思都是这三者的意思都是“一一就就”。通常都是通常都是hardly,sc

6、arcely,no sooner 位于位于句首句首,他们后面的主句用他们后面的主句用had done,且倒装。且倒装。而而when,than 后面的从句用一般过去时。后面的从句用一般过去时。eg:Hardly/scarcely had I got home when it started to rain.1我刚到他就给我打电话了。我刚到他就给我打电话了。2我们刚到火车站火车就走了。我们刚到火车站火车就走了。Hardly/Scarcely had I arrived when he called me.No sooner had I reached the station than the tr

7、ain left.5.when,while,as 引导的时间状语从句的引导的时间状语从句的 区别。区别。1 作为作为“当当时时”讲讲,when可以和延可以和延续性动词连用续性动词连用,也可以和短暂性动也可以和短暂性动词连用词连用,而而while 和和as 只能和延续性只能和延续性动词连用。动词连用。eg:Why do you want a new job when youve got such a good one?Sorry,I was out when you called me.Strike while the iron is hot.The students took notes as

8、 they listened.get 为短暂性动词为短暂性动词call为短暂性动词为短暂性动词is为延续性动词为延续性动词listen 为延续性动词为延续性动词2 when 从句的谓语动词可以在主句动词从句的谓语动词可以在主句动词之前或之后发生或同时发生之前或之后发生或同时发生.而而while 和和as 从句的动词必须是和主句的动词从句的动词必须是和主句的动词同时发生。同时发生。When he had finished his homework,he took a rest.When I got to the airport,the guests had left.had finished 先

9、发生先发生got to 后发生后发生也就是说当主从句动作同时发生也就是说当主从句动作同时发生,切从切从句动作为延续性动词时句动作为延续性动词时,三者可互换。三者可互换。When/While/As she was making a phone call,I was writing a letter.3 when 还有还有“在那时在那时”通常用在以下通常用在以下句句 型中。型中。be about to do when had donewhen be doingwhen be on the point of doingwhen我正打算出去这时电话响。我正打算出去这时电话响。我正在读书这时有人敲门。我

10、正在读书这时有人敲门。I was about to go out when the phone rang.I was on the point of reading books when someone knocked at the door.4 as 还有还有“因为因为”“作为作为”“随着随着”“一边一边.一边一边”随着时间的流失随着时间的流失,天气变的越来越糟天气变的越来越糟糕了。糕了。小女孩边走边唱。小女孩边走边唱。As the time went on,the weather got worse.The little girl sang as she went.Translate th

11、e following sentences.5 在将来时的从句中常用在将来时的从句中常用when,且从句必且从句必须用一般现在时。须用一般现在时。You shall borrow the book when I have finished reading it.6 when还用在表示还用在表示“一一就就”的句型中。的句型中。Hardly/Scarcely had I entered my room when the telephone rang.7 while 还做并列连词还做并列连词“然而然而”表对比。表对比。和从属连词和从属连词“尽管尽管”的意思的意思,相当相当与与though/altho

12、ugh。While he is a little boy,he knows a lot.Im working while my wife is watching TV.Please review the above points and then well do some exercises for consolidating.1.Was his father strict with him when2.he was at school?-Yes.He had never praised him_ he became one of top students in his grade.A.aft

13、er B.unless C.until D.when 2._ you told me,I had no idea of it.A.Until B.When C.While D.As 3.It was foolish of you to take a taxi_ you could easily walk there in 5 minutes.A.before B.till C.so that D.when.Underline the correct form of the verb.1.When the astronauts returned/were2.returning to Earth,

14、they gave/were giving a press conference.2.While the fans waited/were waiting in the front of the hotel,the film star arrived/was arriving at the back.3.While I walked/was walking to school,I met/was meeting an alien in the street._原因状语从句原因状语从句1 由由because,as,since,now that 引导的引导的原因状语从句。原因状语从句。As the

15、 tree was a very small one,it doesnt take long to chop it down.Since a lot of people make mistakes in life,Mr.Smith wanted to give John a chance.Now that all the guests have arrived,lets have dinner.Translate the above sentences into Chinese.2 形容词形容词glad,sorry,afraid,pleased,satisfied,proud delighte

16、d,也可以接一也可以接一个有个有that引导的原因状语从句引导的原因状语从句,且且that可省略。可省略。我很高兴你把这见事告诉了我。我很高兴你把这见事告诉了我。对不起对不起,我没有做我该做的那么多。我没有做我该做的那么多。Im glad(that)you told me about it.Im sorry(that)I havent done so much as I should.恐怕他考试不及格了。恐怕他考试不及格了。我们很自豪我们的国家越来越壮大。我们很自豪我们的国家越来越壮大。Im afraid(that)he hasnt passed the exam.We feel proud(

17、that)our country is getting stronger.原因状语从句中应注意的问题原因状语从句中应注意的问题as,because,for,since 的区别的区别1 as作为从属连词引导原因状语从句时作为从属连词引导原因状语从句时,语气不如语气不如because 强烈。它引导的从强烈。它引导的从句常放在句首句常放在句首,说明原因说明原因,后面的主后面的主句则说明结果。句则说明结果。2 because 引导从句时引导从句时,语气最强语气最强,直接直接回答回答why的问句。她引导的句子是语的问句。她引导的句子是语意中心所在意中心所在,一般在句后。一般在句后。3 for作为并列连词

18、作为并列连词,多用于书面语中多用于书面语中,表示原因表示原因,语气最弱语气最弱,往往含对所往往含对所作论述提供情况或补充说明之意。作论述提供情况或补充说明之意。它引导的句子一般在主句之后。它引导的句子一般在主句之后。4 它表示的原因是双方已知道的。它表示的原因是双方已知道的。Complete the sentences using the words in brackets and the correct punctuation.1.the story is in the newspaper/everyone2.believes it is true(since)2.he was the fi

19、rst Chinese person to travel in space/he is a national hero(as)3.I have a telescope/I can look at the stars(now that)4.Wus parents were born in China/he was able to speak to Yang in Chinese(as)1.Since the story is in the newspaper,everyone believes it is true.2.As he was the first Chinese person to

20、travel in space,he is a national hero.3.Now that I have a telescope,I can look at the stars.4.As Wus parents were born in China,he was able to speak to Yang in Chinese.1.He found it increasingly difficult to read,_ his eyesight was beginning to fail.（山东（山东2008）A.though B.for C.but D.so2.Did you retu

21、rn Freds call?I didnt need to _ Ill see him tomorrow.（北京（北京2008）A.though B.unless C.when D.because3.Jenny was very sad over the loss of the photos she had shot at Canada,_ this was a memory she especially treasured.(广东广东2006)A.as B.if C.when D.where4.Animals suffered at the hands of Man _ they were

22、destroyed by people to make way for agricultural land to provide food for more people.（江西（江西2008）A.in which B.for which C.so that D.in that5.I hope youve got your own car,_ if you havent we may have to hire one.（高考延考区（高考延考区2008）A.because B.so that C.ever since D.when6._ youve got a chance,you might as well make full use of it.A.Now that B.After C.Although D.As soon as1-6 BDADAA HomeworkRevise what we learned in this class and finish exercises in your workbook.