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,*,Grammar,Module 3,Grammar Module 3,Grammar,I.,时间状语从句,II.,过去完成时,GrammarI.时间状语从句II.过去完成时,Learning aims:,1.,通过自主学习，掌握时间状语从句和过去完成时态的基本用法。,2.,通过合作探究，学会把所学到的时间状语从句句型结构和过去完成时态 运用到句型写作中。,3.,巩固练习。,Learning aims:1.通过自主学习，掌握时间状语从,时间状语从句,when,while,as,before,after,until/till,since,ever since,whenever,as soon as,no sooner than,hardly/scarcely when,等,1).,常见的连接时间状语从句的连接词有,:,时间状语从句when,while,as,before,When,还有意义为这时，,(at this time),那时,(at that time),常用于下列句型：,Somebody was doing something when,某人正在做,突然,When,When 还有意义为这时，(at this time),Somebody was about to do something when.,某人正要做,突然,Somebody had just done something when,某人刚刚干了,这时,Somebody was about to do somet,1.I was reading English when my teacher came in.,2.I was about to talk in the classroom when the teacher came in.,3.I had just made the mistake when the teacher came in.,1.I was reading English when,分析：,while,引导的从句表示“在,过程中”，强调某一段时间内主句和从句的动作在同一时期发生。从句的动作表示较长时间，因此常用延续性动词。,While,观察：,While they were doing homework,someone broke into the house.,While he was still a teenager,he was a big star.,分析：while引导的从句表示“在过程中”，强调某一段时,She is tall while I am short.,While,表示强烈的对比关系，可译成“然而”,While I was studying English,he was playing football.,She is tall while I am short.,强调两个动作同时进行,两种情况一起发展变化,as,试观察：,1)As they were picking tea,the girls were singing happily.,2)As he grew older,he found it difficult to compose good music.,强调两个动作同时进行两种情况一起发展变化as试观察：2)A,分析：,as,引导的从句表示“当,时；一边,一边,”,，主句和从句的动作同时发生，强调伴随。有时可译为“随着”。,分析：as引导的从句表示“当时；一边一边”，主,探究案（一）时间状语从句,2.,完成下面练习答案,15 ABBAA,探究案（一）时间状语从句2.完成下面练习答案,1.,他从学校回来时，他妈妈正在烧饭。,2.,他在看书时，他的妻子一直在烧饭。,3.,他一边烧饭一边唱歌。,4.,我们正要动身，这时天突然下雨了。,5.,你喜欢踢足球而我喜欢弹钢琴。,6.,随着时间的推移，我们都渐渐长大了。,Exercise 3,Translate these sentences into English,1.他从学校回来时，他妈妈正在烧饭。Exercise 3,Show time,展示内容,展示小组,点评小组,备注：,3,分钟讨论，各小组安排展示或点评，所有同学都要认真完成任务。,句子,1,G1,G7,句子,2,G2,句子,3,G3,G8,句子,4,G4,句子,5,G5,G9,句子,6,G6,Show time 展示内容展示小组点评小组备注：3分钟讨论,Possible answers:,1.When he returned from the school,his mother was cooking.,2.While he was reading,his wife was cooking.,3.As he cooked,he sang.,4.We were about to start when it began to rain.,5.You like playing football while I like playing the piano.,6.As time went by,we all grew up.,Possible answers:1.When he re,2).,时间状语从句可以转换成分词短语。如,:,Boys need to develop their bodies fully,before they attempt such difficult exercise.,Boys need to develop their bodies fully,before attempting such,difficult exercise.,2).时间状语从句可以转换成分词短语。如:,After he worked there for 30,years,Haydn moved to London.,Note:,时间状语从句转换成分词短语时,时,间状语从句的主语和主句主语必须,一致才可以。,Having worked there for 30 years,Haydn moved to London.,After he worked there for 30,过去完成时,过去完成时的构成,:,“,助动词,had+,过去分词”,The public wondered why the president,hadnt attended,the top conference.,2.,过去完成时的用法,:,1).,过去完成时主要用来表明在某个时间或动作之前已经发生的动作,它表示时间是“,过去的过去,”。如,:,过去完成时过去完成时的构成:,The patient,had died,when the doctor,arrived.,Up until then they,had,just,finished,half the work.,He,had,pressed,the button before we,could stop him.,When I,had,finished,my everyday,work,I did some gardening.,The patient had died when the,2).,如果发生的动作很短暂,或两个动作紧接着发生,则常用一般过去时代替过去完成时。尤其是在含有,before,after,as,soon,as,的复合句中,因为它们本身的词义就可以表示出先后顺序。如,:,Just,before,I,left,New York,I,sent,an e-mail to Mr White,my teacher in the university.,2).如果发生的动作很短暂,或两个动作紧接着发生,则,3).,过去完成时还可以表示未能实现的希望、愿望等,常用的动词有,except,hope,mean,suppose,think,等。如,:,I,had,hoped,to send him a telegram to congratulate him on his marriage,but didnt manage it.,Mother,had,expected,me to come to her birthday party,but I really had a lot of important work to do.,3).过去完成时还可以表示未能实现的希望、愿望等,常用的,When he got,home from work,he was very tired.He,opened,the door,turned,on the light,washed,his face and,went,to bed without taking off his clothes.,Note:,1.,当动作紧接着发生,次序明显时,只需,用一般过去时。,When he got home from work,he,2.,与某个时间段或时间点连用时,一般过去时,表示动作在这个时间发生,而,过去完成时,表示动作在这个时间之前就已经完成。如,:,He,learned,Russian during his stay in Russia.,He,had already learned,Russian during his stay in Russia.,2.与某个时间段或时间点连用时,一般过去时表示动作在这个,3.,在间接引语中，与过去完成时连用的时间状语从句常用一般过去时代替过去完成时。如：,He told me somebody,had,phoned,when I,was,out.,John said the film,had been,on five minutes when he,got,to the cinema.,3.在间接引语中，与过去完成时连用的时间状语从句常用一般过,汉译英,1,他说他以前见过你。,2.,到去年为止他们已经学了,2000,个单词了。,3.,到了六点钟为止，他们已经工作了八小 时了,.4.4.,我到广州时，他在那里很长时间 了。,5.,到上个月中旬我们在北京住了有五年时间了。,6.,她到家之前她的孩子已经睡着了。,7.,在他们到达之前电影已经开始了。,汉译英 1 他说他以前见过你。,Show time,展示内容,展示小组,点评小组,备注：,3,分钟讨论，各小组安排展示或点评，所有同学都要认真完成任务。,句子,1,G9,G2,句子,2,G8,句子,3,G7,G1,句子,4,G6,句子,5,G5,G9,句子,6,G4,句子,7,G3,G8,Show time 展示内容展示小组点评小组备注：3分钟讨论,1 He said that he _(see)you before.,2 By last year they _(learn)2,000 words.,3 By six oclock,they _(work)for eight hours.,4 When I,came,to GZ,he _(be)there for a long time.,5 By the middle of,last month,we _(live)in Beijing for five years.,6 When she,got home,her children _(sleep).,7 Before they,arrived,here the film _ already _(start).,1 He said that he _(,He said that he _(see)you before.,had seen,By last year they _(learn)2,000 words.,had learnt,1.,他说他以前见过你。,2.,到去年为止他们已经学了,2000,个单词了。,He said