新概念一过去完成时课件.ppt

1、I have been here for 10 years现在完成时1.现在完成时态表示过去发生的动作对现在现在完成时态表示过去发生的动作对现在造成的影响或结果造成的影响或结果 Our teacher has left.We have studied English.I have already finished the homework.He has had his lunch.He has become a doctor.have/has+过去分词过去分词2.某个动作从过去已经开始某个动作从过去已经开始,一直持续到现在一直持续到现在,还还有可能持续到将来有可能持续到将来.动作的持续性要通过

2、一段时动作的持续性要通过一段时间来表示间来表示.一段时间的表达方法有两种一段时间的表达方法有两种:for:+一段时间一段时间 for a year for two weeks for three yearsSince 过去的某一时刻过去的某一时刻,since nine since last week 一般过去时态的时间状语从句一般过去时态的时间状语从句 since you came since you got home.注意注意:for 和和since 所引导的时间状语都表示一段时间所引导的时间状语都表示一段时间.He has been away since last week.He has

3、been away for one week.对对划线部分提问都用划线部分提问都用How long助动词助动词+过去分词过去分词助动词助动词+过去分词过去分词 构成？构成？写出下列动词的过去完成时形式写出下列动词的过去完成时形式be _ see_begin _ sing_bring_ open_had beenhad seenhad begunhad sunghad broughthad opened 过去完成时与现在完成时二者用法基本相同，但现在完成时以现在时间为基点，过去完成时则以过去的时间为基点，与现在无关，即过去的过去。Summary1.cleaned the blackboard2.

4、closed the window nowhad cleaned the blackboardclosed the windowShe had cleaned the blackboard before she closed the window.After she had cleaned the blackboard,she closed the window.1.ate an apple2.slept nowhad eaten an applesleptShe had eaten an apple before she slept.After she had eaten an apple,

5、she slept.2.played ping pong1.did his homework now played ping ponghad done his homeworkHe had done his homework before he played ping pong.After he had done his homework,he played Ping pong.Millie ran back to school because she had left her magazine in the classroom.What happened first?Millie had l

6、eft her magazine in the classroom.Simon left school late because the football game had started late.What happened first?b.The football game had started late.What happened first?Daniel arrived out of breath he had gone to the wrong cinema.b.Daniel had gone to the wrong cinema.What happened first?Amy

7、had lost her purse and had to go to the police station.b.Amy had gone to the police station.过去完成时过去完成时 过去完成时过去完成时表示在过去某个时间或动表示在过去某个时间或动作之前已经发生或完成了的动作或存在的作之前已经发生或完成了的动作或存在的状态，状态，即即“过去的过去（过去的过去（past-in-the-past）”。过去完成时过去完成时的的概念与结构特点概念与结构特点:past in the pastpast now过去完成时过去完成时的的判断依据判断依据:由由“过去的过去过去的过去”来判定

8、。来判定。过去完成时表示过去完成时表示“过去的过去过去的过去”，先先发生的动作用发生的动作用过去完过去完成时成时，后后发生的动作用发生的动作用一般过去时一般过去时。When I got to the station,the train had already left.After he had finished his homework,he went to bed.first first构成：助动词构成：助动词had+动词的过去分动词的过去分词（词（V.pp)用法：用法：1.过去完成时动词表示过去某一时间或某过去完成时动词表示过去某一时间或某一动作之前完成的动作或状态。在强调过一动作之前完成

9、的动作或状态。在强调过去某一动作发生在另一动作之前时。去某一动作发生在另一动作之前时。在强调过去某一个动作发生在另一个动作前常常用在强调过去某一个动作发生在另一个动作前常常用过去完成时态。过去完成时态。1.他说他以前见过你。他说他以前见过你。He said that he _(see)you before.had seen2.当我们到那儿时火车已经离开了。当我们到那儿时火车已经离开了。The train _(leave)when we arrived there.had left2.过去完成时词可以表示过去某一过去完成时词可以表示过去某一时刻之前发生的动作或呈现的状态，时刻之前发生的动作或呈现

10、的状态，这一动作一直持续这一动作一直持续 或将继续下去。或将继续下去。By six oclock they _(work)for eight hours.When I came to GZ,he _(be)there for a long time.用法：用法：1.到了六点钟为止，他们已经工作了八小时了。到了六点钟为止，他们已经工作了八小时了。2.我到广州时，他在那里很长时间了。我到广州时，他在那里很长时间了。had workedhad been3.到上个月中旬我们在北京住了有五年时间了。到上个月中旬我们在北京住了有五年时间了。By the middle of last month we _(

11、live)in Beijing for five years.had lived1.到昨晚上，他已写完那封信。到昨晚上，他已写完那封信。By yesterday evening he _(write)that letter.过去完成时与过去完成时与 by then(截止到那时截止到那时);by 9 oclock(直到直到九点钟九点钟)by the end of(在在结束结束/末之前末之前);by the time(在在时之前时之前);up till then(直到那时直到那时);up until last night(直到昨晚）等连用，表示过去的过直到昨晚）等连用，表示过去的过去。去。had

12、writtenWe had learned English 5 years by last year.5 years ago last year nowhad learned到六点钟为止他们已经工作八小时了。到六点钟为止他们已经工作八小时了。By six oclock they _(work)for eight hours.had worked 3.过去完成时和过去完成时和 already,just,ever,yet 等连用表示过去的过去。等连用表示过去的过去。用法：用法：例如：例如：1.他告诉我说他们队已经赢了。他告诉我说他们队已经赢了。He told me that his team _

13、already _(win).hadwon2.她她说她仍没去过说她仍没去过长城。长城。She said that she _(not go to)the Great Wall yet.hadnt been to用法：用法：过去完成时与过去完成时与when,before,as soon as,till/until 等引导时间状语的从句连用，等引导时间状语的从句连用，强调动作发生的时间前后。强调动作发生的时间前后。例如：例如：1.她到家之前她的孩子已经睡着了。她到家之前她的孩子已经睡着了。When she got home her children _(sleep).had slept2.在他们到

14、达之前电影已经开始了。在他们到达之前电影已经开始了。Before they arrived here the film _ already _(start).hadstartedLast night,as soon as I _(finish)my work I went to sleep.3.我完成作业了就去睡觉了。我完成作业了就去睡觉了。had finished Before I met her,I had heard a lot about her.Do the exercises1.After he _(finish)his work he went out.had finished2

15、.The children ran away after they _(break)the window.had broken3.I went to Toms house but he _(go)out.had gone4.Annie told me that his father _(go)to Paris and he _(come)back in a few days.had gonewould come5.My friend _(buy)the car two years ago.He _(buy)it for two years.boughthas had 1 When Li Min

16、g hurried home,he found that his mother _already _to hospital.A has;been sent B had;sent C has;sent D had;been sent 2 We _five English songs by the end of last term.A had learned B learned C have learned D will have learned 3 Billy told me she _lunch,so she was very hungry.A has had B hasnt have C h

17、ave had D hadnt had 4 By the end of 1976,many buildings _built in the city.A have been B have C had been D will 5 She _her keys in the office so she had to wait until her husband _home.A has left;comes B had left;would come C had left;came D left;had come 6 He said that it was at least ten years sin

18、ce I _a good drink.A had enjoyed B was enjoying C have enjoyed D have been enjoying 7 The meeting _when Mr.Wang _to school.A has begun;get B has been on;get C had begun;got D had been on;got 1 When I returned home,he _(leave).2 By ten yesterday evening,she _(finish)writing.3 He _(study)English for f

19、ive years before he came here.4 It _ _(stop)raining when I wake up this morning.5 I _(not read)the book because I had read it before.had lefthad finishedhad studied had stopped didnt read 6 She said she_(be)born in 1992.7 When he _(come)to China two years ago he found people didnt understand him at

20、all though he _(learn)some Chinese in his own country.8 I saw Han Mei yesterday.We _(not see)each other since left Beijing.9 When I got to his home,he_(go)to bed.10 She asked if Mr.Liu _ already _(come)back.wascame had learned hadnt seen had gonehadcome翻译题翻译题1.在我们到达电影院之前，电影已在我们到达电影院之前，电影已经开始了经开始了2.踢

21、完足球之后我买了瓶果汁踢完足球之后我买了瓶果汁The film _ _ _ we _ to the cinema._ I _ _ football,I _ a bottle of juice.hadbeforegotbegunAfterhadplayedboughtRead the Text and answer two questions.1.Had they finished their drinks before Amy arrived?2.Had you watched the film of Roman Holiday before last year?Yes,they had.No

22、,I had not./I hadnt.I hadnt watched the film of Roman Holiday before last year.过去完成时的否定形式：过去完成时的否定形式：过去完成时的疑问形式：过去完成时的疑问形式：肯定回答：肯定回答：否定回答：否定回答：主语主语had nothadnt+p.p.+其它其它.Yes,主语主语+had.Had+主语主语p.p.+其它其它?No,主语主语+had+not.用所给动词的正确形式填空用所给动词的正确形式填空1.He_(turn off)the lights before he left the classroom.2._

23、your parents _(have)lunch when you arrived at home?had turned offHadhad选择题选择题1.Millie_ some Chinese before she came to China.A.learned B.has learned C.learnt D.had learned2.She _ the first runner-up prize in a beauty contest before she _an actress.A.have won,became B.had won,become C.had won,became

24、D.has won,became 用所给动词的正确形式填空用所给动词的正确形式填空1.The poor girl never saw her grandpa because he _ (pass away)before she was born.2.She_ already_(clean)the blackboard before I entered the classroom.had passed awaycleanedhad句型转换句型转换 1.He had stood up before he cleaned the window._ he had stood up,he cleaned

25、 the window.2.His father went to Beijing.He arrived home.(用用before合并句子合并句子)His father_ _ _ Beijing before he _ home.Afterhad gone toarrived按要求改写下列句子按要求改写下列句子Simon had finished his homework before he watched TV.否定句：否定句：疑问句：疑问句：肯定回答：肯定回答：否定回答：否定回答：Simon hadnt finished his homework before he watched TV

26、.Had Simon finished his homework before he watched TV?Yes,he had.No,he hadnt.改错题改错题1.We hadnt seen something interesting in the park before last Sunday.2.When she woke up this morning,it stopped snowing.anythinghad stopped过去完成时的结构：过去完成时的结构：过去完成时的用法：过去完成时的用法：过去完成时的否定形式：过去完成时的否定形式：过去完成时的疑问形式：过去完成时的疑问形

27、式：主语主语had nothadnt+p.p.+其它其它.Had+主语主语p.p.+其它其它?主语主语had+p.p.+其它其它.强调强调过去过去某一个动作发生在某一个动作发生在另一个动作另一个动作前前常常用过去完成时态。常常用过去完成时态。1.We started to learn English 5 years ago.一般过去时一般过去时表示在表示在过去过去某时发生的动作或存某时发生的动作或存在的状态。在的状态。2.We have learned English for 5 years.现在完成时现在完成时表示的动作发生在表示的动作发生在 过去，但侧重对过去，但侧重对现在产生的结果或造成

28、的影响，与现在有关。现在产生的结果或造成的影响，与现在有关。其结构为：其结构为：“助动词助动词 have（has）+过去分词过去分词”5 years ago now 5 years ago have learned now综合时态填空：1.We _(learn)2000 English words since we came to this school.The teacher said we _(learn)2000 English words since then.We _(learn)500 words last term.We _(learn)2000 words by the end

29、 of last term.2.He _(have)a meeting next week.He _(have)a meeting two weeks ago.He told me he _(have)a meeting two weeks before.3._ you _(be)to the Great Wall?The teacher asked if you _(be)to the Great Wall?have learnedhad learnedlearnedhad learnedwill havehadhad hadHave beenhad been4.I _(finish)my

30、homework when my father got home yesterday.I _(finish)my homework at 10 last night.5.The film _(begin)when I got to the cinema.The film _(be)on for 10 minutes when I got to the cinema.6.My brother _(study)in this school for three years before he joined the army.7.He locked the door after he _(clean)the classroom.8.A:_he still _(do)his homework when you _(get)home yesterday?B:No,he _ already _(do)it when I got home.had finishedfinishedhad begunhad beenhad studiedcleanedWas doing gothad done