1、Objectives1.To learn adverbial clause of time 2.To learn adverbial clause of reasonGrammar 11.While he was travelling in space,Yang spoke to two astronauts aboard the International Space Station.2.When he was orbiting in the capsule,he took photographs of planet earth.The past continuous verb(was tr
2、avelling/was orbiting)was continuing all the time,and was interrupted by actions of short duration(spoke/took)which are in the past simple.when引导的时间状语从句中的谓语动词既可以是延续性动词，也可以是非延续性动词；从句的动作可以和主句的动作同时发生，也可以先于主语的动作发生。while引导的时间状语从句中的谓语动词一般是一段较长的时间或过程，故动词必须是延续性动词，强调主句谓语动词和从句谓语动词所表示的动作或状态是同时发生或存在的。1.When he
3、left school at fourteen,he began to train as an engineer.2.While he was taking a walk in the street,he saw an accident.（比较句子当中从句与主句谓语动作之间的先后关系）Compare the two sentences below.Read the sentences and choose the correct answers.A.When Yang landed,Premier Wen B.Jiabao telephoned the Control C.Centre.B.W
4、hen Yang landed,Premier Wen Jiabao was telephoning the Control Centre.1.In the first sentence,(a)the Chinese Premier telephoned the(b)Control Centre after Yang landed.(b)he telephoned the Control Centre before Yang landed.(c)the word when can be replaced withas soon as.2.In the second sentence,(a)th
5、e Chinese Premier telephoned the(b)Control Centre after Yang landed.(b)the news came in the middle of a conversation between the Chinese Premier and the Control Centre.(c)the word when can be replaced with at the time that.1.When Yang went to Beijing,he _ (meet)the Premier.2.When he went to Hong Kon
6、g,he _ (sing)with Jackie Chen.3.When they opened the capsule door,Yang _(get out).4.While he _(orbit)the earth,he spoke to the Space Station astronauts.Complete the sentences with the correct form of the verbs in brackets.metsanggot outwas orbiting1.I was walking _ I heard a cry for help.A.while B.w
7、hen C.as soon as D.until2._ the day went on,the weather got worse.A.Before B.After C.As D.While3.I called him _ I got to his hometown.A.until B.while C.as soon as D.sinceChoose the best answers.4.He waited _ all the other people left the station.A.after B.since C.until D.not until5.He fell off the b
8、ike _ he knew what had happened.A.as soon as B.before C.until D.while6.Please look after it for me _ I am away.A.while B.until C.as D.after7.While his father was singing,he _ 8.the piano.A.played B.was playing C.playing D.plays8.I saw the accident when I _ past 9.the museum.A.walked B.walking C.was
9、walking D.walkGrammar 21.Why didnt he come yesterday?2.Because he had something important to do.2.Since you dont like to do it,Ill ask someone else.3.It rained last night,for the ground is wet this morning.4.Now that you have finished your homework,you may go home now.5.As he was tired,he went to be
10、d early.1.引导原因状语从句的从属连词有because,since,for 等。because所表示的原因含有很强的因果关系，用来回答why提出的问题，在强调原因时，从句可以置于主句前。Why didnt he come yesterday?Because he had something important to do.2.for 也常用来表示原因，一般用来表示补充说明辅助性理由或提供上文未交代的情况。a.It rained last night,for the ground is wet this morning.b.I am sorry for what I said to yo
11、u.3.now that,seeing that,considering that 等也可以用来引导原因状语从句，有时可以先表示一种情况，再加以推论。that可以省去。Now that you have finished your homework,you may go home now.4.as和since说明的是已为人们所知的理由。可用because代替，since的语气比because弱，比as强。since和as引导的从句一般放在句子的开头，as引导的从句有时可放于句末。Since you dont like to do it,Ill ask someone else.As I hav
12、e a day off today,Ill write to you.1.复习时间状语从句。2.Adverbial clause of time3.2.复习原因状语从句。4.Adverbial clause of reason1.The teacher must be strict with you _ they want you to make great progress.(because,as,since)2._ your father is well again,you no longer have anything to worry about.(because,as,since)3
13、._ she was the oldest in her family,she had to look after them.(because,as,since)becauseSinceAsFill in the blanks.4.The ship changed its course because there was a storm.(同义句)5.Because he was ill,he didnt go to school.(同义句)The ship changed its course because of a storm.He was ill,so he didnt go to s
14、chool.汉译英2.随着时间的推移，天气变得越来越凉了。1.电影一结束，人们便回去了。3.由于身上没带钱，我什么也没买。4.既然在下雨，你最好呆在家里。5.老师批评玛丽，因为她没有完成作业。6.当我沿大街行走时，我碰巧遇到我的一个老朋友。Answers2.随着时间的推移，天气变得越来越凉了。As time goes on,its getting colder andcolder.1.电影一结束，人们便回去了。When the film ended,the people went back.3.由于身上没带钱，我什么也没买。As I had no money with me,I didnt b
15、uyanything.4.既然在下雨，你最好呆在家里。Since it is raining,youd better stay athome.5.老师批评玛丽，因为她没有完成作业。The teacher criticized Mary becauseshe didnt finish her homework.6.当我沿大街行走时，我碰巧遇到我的一个老朋友。While I was walking down the street,I came across an old friend of mine.1.Did you return Freds call?I didnt need to _ Ill
16、 see him tomorrow.(2008 北京)A.though B.unless C.when D.because 1.2.There were some chairs left over _ 2.everyone had sat down.(2008 四川)A.when B.until C.that D.where3.Nancy enjoyed herself so much _ she visited her friends in Sydney last year.(2008 福建)A.that B.which C.when D.where 4.She had just finis
17、hed her homework _ her mother asked her to practice playing the piano yesterday.(2009 福建)A.when B.while C.after D.since5.The old man asked Lucy to move to another chair _ he wanted to sit next to his wife.(2010 辽宁)A.although B.unless C.because D.if6.One Friday,we were packing to leave for a weekend away _ my daughter beard cries for help.(2011 浙江)A.after B.while C.since D.when 7.When did the computer crash?This morning,while I _ the reading materials downloaded from some websites.(2012 福建)A.have sorted B.was sortingC.am sorting D.had sorted
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