高中英语语法---过去完成时课件

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,2020/8/9 Sunday,#,2024/12/1,高中英语语法-过去完成时,2023/10/4高中英语语法-过去完成时,1,神马是过去完成时？,表,示过去发生的,一个动作之,前已经完,成的动作，就是过去完成时。,神马是过去完成时？表示过去发生的一个动作之前已经完成的动作，,2,警察抓小偷,当警察赶到的时候，小偷早已经跑了。,When the police arrived,the thieves had already,run away.,警察抓小偷当警察赶到的时候，小偷早已经跑了。When the,3,在妈妈进门之前，我早就把电脑关了。,偷偷玩电脑,After,I had already turned off my computer,my Mom came in.,Before,my Mom came in, I,had already turned off,my computer.,在妈妈进门之前，我早就把电脑关了。偷偷玩电脑Before m,4,这就是过去完成时,Now,Past,Future,A,B,有,两个动作,都发生在过去，,先后,发生，,先,发生的用,过去完成时,，,后,发生的,用,一般过去时,。,这就是过去完成时NowPastFutureAB有两个动作都发,5,过去的过去,Now,Past,Future,A,B,现在完成时：,have/has+done,过去完成时,：,had +done,had,not,+done,had been done,过去的过去NowPastFutureAB现在完成时：have,6,When,the police arrived, the thieves had already run away.,Before,my Mom came in, I,had already turned off,my computer.,After,I had already turned off my computer,my Mom came in.,找标志词,When the police arrived, the t,7,by +,过去：,by the end of +,last year,by,the end,of,last term,by the time,you arrived,过去完成时标志词,before, after, when, by, hardlywhen(,刚要,.,就,),no sooner than,我们刚要工作，天就下起雨来。,1.We had hardly begun our work when it began to rain.,Hardly,had we,begun our work when it began to rain.,We had no sooner begun our work than it began to rain.,No sooner had we,begun our work than it began to rain.,by +过去：by the end of +last yea,8,过去完成时还可以表示对过去的虚拟，表示未能实现的希望、愿望等,常用的词有,expect,hope, mean, suppose, think,等。,过去完成时表虚拟,我本来想周末做完作业的，结果我朋友过生日。,I,had wanted,to finish my homework, but my friends had a birthday party.,过去完成时还可以表示对过去的虚拟，表示未能实现的希望、愿望等,9,1. It was the first time that + had done,特殊句式,那是他第一次到眉山。,It was the first time that he had been,to Meishan,.,2. It was +,时间段,+since+ had done,那时他们已经在一起三年了。,It was three years since they had been together.,1. It was the first time that,10,1. By nine,oclock,last night, we _ (get) 200 pictures from the spaceship.,2. I _ (am) at the bus stop for 20minutes when a bus finally arrived.,3. The bus_ (leave) by the time I got there.,4. By the time he_(be) 14, his grandfather had been away.,5.It was the first time that he_(talk) with,foreigners,.,6. I had no,sooner,left than she _ (,call).,趁热打铁,had got,had been,had left,was,had talked,called,1. By nine oclock last night,11,6:00(eat up) 7:00(get up) present,Last Sunday, I had an unlucky day,.,By the time I _, my dog _ up all my breakfast on the table.,got up,had eaten,An Unlucky Day,Practice 1,6:00(eat up) 7:00(get up),12,9:15,9:35 present,Then I went to see the film with empty stomach.,When I _at the cinema, the film _(be)on for 20 minutes.,arrived,had been,arrive,be on,9:159:35,13,After the film, I went to meet a friend whom I_ (not see) since we _.,ha,ve,not seen,graduate,not see,graduated,After the film, I went to,14,We had coffee and talked happily.But when I was going to pay for it, I_(find)my wallet and cellphone _(steal).What an unlucky day !,had been stolen,found,Passive voice(被动语态),:,had(not)+been+done,steal,talk,We had coffee and talked hap,15,时间状语从句,时间状语从句,16,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, after,17,When/While/As,When/While/As,18,when,意为这时,(at this time),或那时,(at that time),时，常用于下列句型：,Somebody,was doing,something when,某人正在做,突然,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,When,when 意为这时(at this time)或那时,19,e.g.,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 .,e.g.,20,观察：,While,they were doing homework, someone broke into the house.,While,he was still a teenager, he was a big star.,While,观察：While,21,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,。,分析：,22,e.g. 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.,e.g. She is tall while I am sh,23,强调两个动作同时进行,两种情况一起发展变化,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.,As,强调两个动作同时进行两种情况一起发展变化试观察：2) As,24,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,25,1.,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。,Translate these sentences into English.,1. 他从学校回来时，他妈妈正在烧饭。Translate t,26,Possible answers:,1. When he returned, 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,27,till / until,till / until,28,主句的谓语动词如果是,延续性,的应该用,肯定式,，意为“一直到,”,主句的谓语动词如果是,瞬间性,的应该用,否定式,，意为“直到,才,”,I,waited,till/until 9 o clock.,The little boy,cried,till/until his father appeared.,I,didnt go,to bed till/until 9 o clock.,Tom,didnt finish,his homework till/until 9 o clock.,主句的谓语动词如果是延续性的应该用肯定式，意为“一直到”I,29,当,not until,放在句首时，主句要,部分倒装,。,Not until,Mary had heard that sound,did she,really get frightened.,在强调句中，强调,until,引导时间状语时，常把,not,提前，构成,it isnt/wasnt until that,It wasnt until,11 o clock,that,he returned home.,当not until放在句首时，主句要部分倒装。Not un,30,before/since,before/since,31,当,before,放于主句之后，有时候会意为“就，才”,The man almost knocked me down,before,he saw me.,Before,常用于这两个句型：,It was/wasnt+,一段时间,+before,从句,过了多久,/,没过多久,才,It will/wont be+,一段时间,+before,从句,还得过多久,/,用不了多久,就,才,He rushed out of the room,before,I could say a word.,就,当before放于主句之后，有时候会意为“就，才”The m,32,It was a long time before we met again.,过了很久我们,才,再次见面,It will be three days before I come back.,三天后我,就,回来了。,It was a long time before we m,33,Since,引导的从句的谓语动词是,瞬间动词,时，则从句表示的时间是,“从动作开始的那一刻起”,He has studies hard since he,came,to our school.,自从他来到我们学校，他学习就非常努力。,Since,引导的从句的谓语动词是,延续性动词,时或,表示状态的动词,，则从句表示的时间是,“从动作,/,状态结束的那一刻起”,I havent heard any noise since I,slept,。,自从我醒来还没有听见任何声音,Since引导的从句的谓语动词是瞬间动词时，则从句表示的时间,34,I have not heard from him since I lived in Shanghai.,It is half a month since he was a student.,Its been quite a long time since I was in London.,自从我离开上海，就再也没有收到他的信。,他已经不是学生半个月了。,我离开伦敦已经很长时间了。,试翻译,I have not heard from him sinc,35,1. He has written to me frequently since I was ill.,2. He has written to me frequently since I fell ill.,试比较,第一句从句谓语动词为状态动词,第二句从句谓语动词为终止性动词,自从我病愈以来，他经常给我写信。,自从我生病以来，他经常给我写信。,1. He has written to me freque,36,2),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:,37,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 y,38,