北师大 现在完成时和现在完成进行时相同点与区别ppt课件

1、Grammar and Usage安徽省庐江第三中学安徽省庐江第三中学 曹丹伟曹丹伟After class you will be able to know: definition of two tenses difference of two tenses how to use them correctlyEnjoy some movie clipsWhat kind of tense can you find in the movie?Find someone around you who 1. has been loving singsing in the class for one t

2、erm? 2. has learned to play guitar for more than five years? 3. has been saying “Good morning or “Hello to you for more than one month? 4. has been utilizing利用 prehistorical powers(洪荒之力) to fight with other classes in the football match?Part A Observe and discoverMr Zhang has just bought a new car,

3、but he has had trouble with motorist. When he returns home at night he always find that someone has parked a car outside his gate. Because of this, he has not been able to get his own car into this garage even once. He has to walk home after he parks his car. “Whats the matter? Have you bought a car

4、? “Yes, but. Mr Zhang has put up a “No parking sign outside his gate, but it has not any effect.hhas just boughthas had troublehas parkedhasnot beenHave you boughthas/have done-Present Perfect tenseObserve and discoverLucy and John have been living the city for ten years. Their daughter has been lea

5、rning English since she was five. They want to take her to the cinema after scholl. They have been waiting for her half an hour. She finally shows up at five past five.have been livinghas been learninghave been waitinghas/have been doing-Present Perfect Continuous Compare and discover the meaning be

6、hind the sentencesI have just cleaned my clothes.I have already had my breakfast.I have been to the Yefu Mountain.(Meaning: I cleaned my clothes, and they are clean now).(Meaning: I had my breakfast and Im not hungry now.)(Meaning: I went to the Yefu Mountain before, and I know this place now.)Defin

7、itionWhats Present Perfect tense?Function 1: 1) Result: Things that happened in the recent past but are connected to the present.It has an effect on the present. In this case, the tense is often used with time expressions such as: already, yet, just,never, ever, before, etc.Compare and discover more

8、1) We have been to Wuhan University for just over two weeks.2) She has learned English since 3 years ago.3) Great changes have taken place in Shenzhen since 30 years ago.(Meaning: We came to the school two weeks ago and we are still staying here.)(Meaning: She learned English 3 years ago and now she

9、 is still learning it.)(Meaning: Great changes took place in Shenzhen 30 years ago, and theyve still lasted now.)Function 2:2)Continuity: Things that started in the past, and are still happening now. In this case, the tense is often used with time expression such as: since, for, so far, by now, up t

10、o now, these days, in the past few years, recently, lately, etc.since- a point of time for- a period of timeDrill 1: chose the right answers1) I have been/ joined in the army for ten tears.2) He has been to /gone to Wuhan many times.3) She has got married/been married to Jack for ten years.4) He has

11、 gone/been away for two years.Tip： 非延续性动词与延续性动词的转换comebe come tobe in / at go out be out leavebe away begin / startbe on stop be over buy have borrow keep openbe open closebe closed joinbe a member of diebe dead catch a coldhave a cold become a teacher be a teacher fall asleepbe asleep fall ill be i

12、llExercise: true or false He has became a soldier for three years.他参军三年了。 His father has been dead for two years.他父亲去世二年了。 The film has started on for 5 minutes.电影已开场五分钟了。 We have studied English for three years. 我们开场学英语已三年了has been a has been onPart BCompare and discoverFind the meaning behind the

13、sentences.1) I have been writing letters for two hours.2) She must be tired, for she has been dancing all day.3) They have been waiting for their son in the rain for an hour.ContinuityRepetitionEmotion(Meaning: That is how I have spent my time. It doesnt matter whether the letters are completed now.

14、 It emphasizes the duration of action rather than result.)(Meaning: She began dancing in the past and keeps dancing all day. It is beause of her non-stop dancing that makes her tired.)(Meaning: They began to wait for their son in the rain an hour ago, and they are still waiting. They may dissatisfie

15、d and complain about this.)Whats the Present Perfect Continous tense?Things that started in the past, have lasted up to now and will probably continue to happen.Usage: Continuity, repetition and emtion.Comparision ContinuityShe has taught English for over ten years.She has neen teaching English for

16、over ten years.1. ResultI have done my homework.1. RepetitionI have been doing my homework.2. Effect I have washed my car.2. Unwanted side effct-Why are you so wet?-Oh, I have been waashing my car all the morning.3. FactThe lazy boy has lied in bed for a whole day.3. EmotionThe lazy boy has been lyi

17、ng in bed for a whole day.Practice for Consolidation1) You know, I (look) for a job for three months, and this is my first formal interview. 2) My sister stay) for 3 hours.3) Although he has lived with us for years, he (leave) us much impression. 4) He (watch) it for two hours, and hes still watching now.have been lookinghas stayed/ has been staying in hasnt left has been watchingCorrect the following sentences1) All these years, they are contributing articles to our magazine.2) I have been drinking five cups of coffee this afternoon.3) What have you