现在完成时与过去完成时课件

1、现在完成时与过去完成时现在完成时与过去完成时 现在完成时的构成： 1. I _(finish) homework already.2. He _(learn) English for three years. I/ We/You/ They have He/She/It has have finished has learned助动词have/has +pp（过去分词）3.I have lived in Wuhan for several years.4.They have visited China before.是被动或表示状态等时用been,比如,I have(had) finished

2、 the homework被动是The homework has(had) been finished 现在完成时的构成： 1. I _1.Ella 已经结婚了。Ella has got married.2. Ella 已经结婚好几天了。Ella has got married for several days.(wrong)Ella has been married for several daysget married 是短暂性动词1.Ella 已经结婚了。Ella has got marr你已经收拾了自己的房间吗？Yes, I have already cleaned it.Have y

3、ou cleaned your bedroom yet?你已经收拾了自己的房间吗？Yes, I have alrea林书豪已经在美国生活了多长时间了？how long has Jemery Lin lived in America？He has lived in America since he was born.他从出生就在美国住。林书豪已经在美国生活了多长时间了？how long has 如何判断现在完成时1.找标志词 2.联系上下文语境，看过去发生的事情是否对现在造成影响already , yet , just, before, so far, in the past few years

4、, since +时间点, for +时间段 如何判断现在完成时1.找标志词 与一般过去时的区别一般过去时：有表示过去时间点的提示词She bought two moive tickets yeaterday.His mother received great presents on mothers day.现在完成时：?与一般过去时的区别一般过去时：有表示过去时间点的提示词Shehave been in （曾经在;一直在）难点区分have gone to （去了还没回来）have been to （一种经历，去了已经回来）have been in （曾经在;一直在）难点区分have你爸爸在哪

5、呢？我的爸爸已经去了办公室。where is your father?my father has gone to his office.你爸爸在哪呢？where is your father?have been in I have been in canada I have been in self-study room for the whole day have been in I have been in ca真题演练Hasnt Betty come yet? (08,28) No, and I_ for her for nearly 2 hours. A wait B waited C

6、 have waited D had waitedHow clean the bedroom is ！(09,28)Yes, I am sure that someone _ it.A cleans B cleaned C has cleaned D had cleanedcc真题演练How clean the bedroom is ！Where are you going for your holiday? Well, we _yet. (10,28)A havent decided B hadnt decidedC dont decide D didnt decide Jim isnt i

7、n the classroom. Where is he?He _ to the teachers office.(11,28)A will B has gone C had gone D is goingABWhere are you going for your - Wheres Mary?（2012四月调考，32） - She_ to the teachers office. A. goes B. had gone C. has gone D. would goc - Wheres Mary?（2012四月调考，32）c注意：如果肯定句中含有already或just ，在变成否定句或疑问

8、句时，要把句中的already 或just 转换成yet. I havent seen the film yet.2.I have already finished my homework.Have you finished your homework yet?3. Mother has just cleaned the house.Mother hasnt cleaned the house yet.1. I have already seen the film. 注意：如果肯定句中含有already或just ，在变成否定1.I _ (do) my homework already.2.H

9、e _(not finish) his homework yet.3.We _ never _ (see) this book before.5.Mother _ just _(clean) the house.6.Sally _(visit) China before.have donehas not finishedhaveseenhascleanedhas visited用动词的适当形式填空：1.I _ (do) my homework 1.for + 一段时间 for a week, for 3 years, for a long time, 2. since +时间起点 since+

10、一段时间+ago since+从句(一般过去时) since 2 oclock, since yesterday, since3 years ago, since I came here等For, Since 引导的时间状语连用1.for + 一段时间 for a week, for 注意: 对for或since引导的时间状语提问 必须用_ 1. I have lived here for 10 years. How long have you lived here?2. She has stood here since 2 hours ago. How long has she stood

11、here? how long 注意: 对for或since引导的时间状语提问 必须用_ 选用for和since填空:1.We havent seen each other _ a long time.2.His father has been in the Party _ 10 years ago.3.The film has been on _ 20 minutes.4.Mr Green has worked here _ he came to China.5.His grandpa has been dead _ several years.forsinceforsinceforforsi

12、nceforsinceforhave been to 曾经去过某地（已返回）have gone to 去了某地 （还没有回来）A B A B巧记：been to ，gone to 意不同，两者用法要记清； have been to + 地名，曾经到过某地行； have gone to + 地点，到某地去了已走远。A B A B巧记：been to ，gone t1.I have gone to Japan before. ( )2.Guilin is very beautiful, I have been to there twice. ( )3.His father has gone to

13、Beijing .He will be back next week( )4.Where have you gone?( )True or false?FFFTbeenbeen1.I have gone to Japan before.一般过去时和现在完成时的区别：一般过去时与现在完成时有一些明显的时间状语。 1.yesterday, last year, in+过去某一年，two days ago, just now等常用于一般过去时 2. already, yet, ever, never, just, before, so far, in the past/ last few years

14、(在过去/最近的几年里)，for+一段时间，since+时间起点等常用现在完成时 一般过去时和现在完成时的区别：一般过去时与现在完成时有一些明注意：在现在完成时的肯定句中， 动词不能和for, since 引导的时间状语连用。要连用必须改成延续性动词最常见的有：buy-have, borrow-keep, leave-be away (from) die-be dead,come-be here/be in join-be in /a member of begin/start-be on非延续性注意：在现在完成时的肯定句中， 举例：1.我买了这本书五年了。2.这位老人已经死了十年了。 I h

15、ave bought this book for five years. I have had this book for five years. The old man has died for ten years. The old man has been dead for ten years.( F )( F )( T )( T ) 举例： I have boug 当堂检测一、句式变换：（5分,每空1分）1. Jack has visited China before.(改为否定句） Jack visited China before.2. They have come into the

16、 classroom.(改为一般疑问句） come into the classroom?3. He has been here for 12 years.(划线提问） has he been here?hasnt Have they How long hasnt Have 二、用所给词的正确形式填空: （3分，每空1分） 1. I （live）here for ten years . 2. I （live）here in 1998. 3. He (not return) the book yet.三、判断正误：(2分，每题1分) 1.他爷爷已经去世三年了。 His grandpa has d

17、ied for 3 years.( ) 2. 他去过北京。 He has gone to Beijing. (F )has livedlived hasnt returnedF二、用所给词的正确形式填空: （3分，每空1分）has liOur sloganslgn:口号He（One) who has never been to the Great Wall isnt a true man.Our sloganslgn:口号East,west，home is bestA friend in need is a friend indeed. A snow year, a rich year.A y

18、ears plan starts with spring.金窝，银窝，不如自己的草窝。患难见真情。瑞雪兆丰年。一年之计在于春。 East,west，home is best金窝，银窝，不The Past Perfect Tense过去完成时态The Past Perfect Tense过去完成时态概念：表示发生在过去一个动作之前已经发生或完成了的动作。动作或状态在过去的过去。结构：助动词 had + p.p.(过去分词)futurenowpast概念：表示发生在过去一个动作之前已经发生或完成了的动作。动作1.The film had begun when we got to the cinem

19、a.当我到达电影院的时候，电影已经开始了。2.Before he arrived, the train had left.他到达之前，火车已经离开了。3.By six oclock yesterday evening, I had finished my work.到昨天晚上六点，我已经完成了我的工作1.The film had begun when we g By the end of last term, they _(learn) 500 English words.和 by + 过去时间点连用, 如： by the time, by then, by last year, by the

20、 end of last year/month, by five oclock yesterday evening 过去完成时态的标志：2. 和before + 过去时间点连用We _(arrive) the station before ten oclock.had learned3. 和up till/until + 过去时间点连用，如：up till then, up until last night Li Lei _(wash) the dishes up till then. had arrivedhad washed By the end of last term, 6:00 7:

21、00 现在By the time I got up, my sister had already washed all the clothes. 6:00 7:00 现在By4. 和when, before, after, as soon as, until/till等引导的状语 从句连用或用于从句中Last night, as soon as I _(finish) my work, I went to sleep.had finishedBy the end of last term, we had learned 600 English words.He said he had fini

22、shed his homework.The film had already begun when we got to the cinema.I had studied English before I came here.When I came to GZ , he had been there for a long time.4. 和when, before, after, as so4. 常用于宾语从句中 By the end of last term, they _(learn) 500 English words.和 by + 过去时间点连用, 如： by the time, by

23、then, by last year, by the end of last year/month, by five oclock yesterday evening 过去完成时态的标志： She said that she _(write) three e-mails.2. 和before + 过去时间点连用We _(arrive) the station before ten oclock.had learnedhad arrivedhad written3. 和up till/until + 过去时间点连用，如：up till then, up until last night Li L

24、ei _(wash) the dishes up till then. had washed4. 常用于宾语从句中 By the end of 5. 和when, before, after, as soon as, until/till等引导的状语 从句连用或用于从句中 The airplane _ already _(leave) when I got to the airport.6. 根据上下文判断 I went to Li Hongs house, but he _(go) out.had lefthad goneLast night, as soon as I _(finish)

25、my work, I went to sleep.had finished5. 和when, before, after, as so1. 过去完成时态的肯定式，否定式，疑问式和简短回答： I had had my breakfast before six oclock this morning. I hadnt had my homework before six oclock this morning Had you had your breakfast before six oclock this ? Yes, I had. No, I hadnt.She had left when I

26、 got there. She hadnt left when I got there.Had she left when you got there? Yes, she had. No, she hadnt.注意的两个问题：1. 过去完成时态的肯定式，否定式，疑问式和简短回答： I 2. 如果两个动作紧接着发生，则通常不用过去完成时， 用过去时态即可。I saw them reading books when I came into the classroom.After I finished my homework, I went out to play.2. 如果两个动作紧接着发生，则通

27、常不用过去完成时， 用过去Fill in each blank with the proper verb form:He said that he _ (write) that letter.Before he arrived, the train _(leave).By then, they _ (work)for eight hours.When she got to the cinema, the film _ already _ (be) on for 15 minutes.Mary told me she _(meet) my mother before.By six oclock

28、yesterday evening, I _(finish) my homework.I went to Li Hongs house, but he _(go) out.We _(arrive) at the station before two oclock.9. The child ran away after they_(break) the window.had writtenhad lefthad worked had been had methad finishedhad gonehad arrivedhad broken/brokeFill in each blank with

29、 the pr1. After he _ (finish) his work, he went out. finished2. Annie told me that his father _ ( go ) to Paris and he _ ( come ) back in a few days.had gonewould come 3. My friend _ (buy) the car two years ago. He _ (have) it for two years.boughthas hadFill in each blank with the proper verb form:

30、4. Before they arrived here, the film _ already _ (start).hadstarted1. After he _ (fi现在完成时和过去完成时的区别要区分二者的含义：现在完成时表示现在的状态以及持续了一段时间的行为,如：1.I have finished my work.2.He has already seen the film.3.We have learned English for a long time.过去完成时表示过去的两个行为中,先发生的那个行为,即：过去之过去.如：I went to bed after I had finis

31、hed my work last night.2.The teacher had taught us some words before he asked us to read them. 现在完成时和过去完成时的区别要区分二者的含义：现在完成时表示（三）从时间 状语区别 现在完成时:常用的 时间 状语包括 “now,today,tonight,this week,this year,already,yet,just,recentlyetc”.过去完成时:常用的 时间 状语包括 “by,at,before等构成的 短语”.注意：当表示一段时间 ,现在完成时和过去完成时都可以用for 或sinc

32、e引导的 状语.例如：Have you had your lunch yet?你吃午饭了吗?Yes,I have .Ive just had it.是的 ,我刚吃完.I have had a clock now.我现在有一个闹钟了.Have you already posted the photos?你把照片寄走了吗?The meeting had begun when we got there.我们到那儿时,会议已经开始 了.We had learned about 5000English words by the end of last term.到上学期末我们已经学了5000个英语单词.

33、They had done the work at five oclock.在五点钟的 时候他们已经完成了那项工作.Ive known Li Lei for three years.我认识李蕾已经三年了.I have worked here since ten years ago.自从十年前我就在这工作.We had not heard from him since we left here.自从我们离开以来一直没有收到他的 来信.They had then been without sleep for twenty-four hours.这时他们已经有24个小时没有合眼了.（三）从时间 状语区别 现在完成时:常用的 时间 状语包括 四）使用时注意事项 使用现在完成时应该注意：