高中英语语法《现在完成时》优秀公开课课件.ppt

1、 Grammar and usage Grammar and usage Present perfect tense&Present perfect continuous tense 现在完成时和现在完成进行时现在完成时和现在完成进行时 平冈中学 Activity1.Find someone around you who 1.has been loving singing in the dormitory for two months?2.has learned to play piano for five years?3.has been saying“Good night”to her r

2、oommate for more than one month?4.have been utilizing prehistorical powers(洪荒之力）洪荒之力）to fight with other classes in the basketball match?5.has been teaching English in our class for more than 2 months?Part A Step1 Observe and discover Mr Zhang has just bought a new car,but he has had touble with mot

3、orists.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?”“Yes,but”Mr Zhang has put up a“No

4、parking”sign outside his gate,but it has not any effect.has just boughthas hadhas parkedhas not beenHave you boughthas put uphave/has done-Present perfect tense Observe and discover Lucy and John have been living in the city for ten years.Their daughter has been learning English since she was five.T

5、hey want to take her to the cinema after school.They have been waiting for her for half an hour.She finally shows up at five past five.have/has been dong-Present perfect continuous tensehave been livinghas been learninghave been waitingCompare and discover the meaning behind the sentences.I have jus

6、t cleaned my clothes.我刚洗过衣服我刚洗过衣服.I have already had my breakfast.我刚吃过早餐。我刚吃过早餐。I have been to the Great Wall.我去过长城。我去过长城。（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 Great Wall,and now I know about it.)What is Presen

7、t perfect tense?Function 1 :1)ResultThings 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 moreWe have been in PGHS for jus

8、t over two months.She has learnt English since 3 years agoGreat changes have taken place in Shenzhen since 30 years ago(Meaning:We came to the school two months ago and we are still staying here.)Meaning:She learned English 3 years ago and now she is still learning it.Meaning:Great changes took plac

9、e in Shenzhen 30 years ago,and theyve still lasted till now.2).Continuity Things that started in the past,and are still happening now.In this case,the tense is often used with time expressions such as:since,for,so far,by now,up to now,these days,in the past ten years,recently,lately,etc.for-a period

10、 of time since-a point of timeDrill 1 Choose the right answers1.I have joined/been in the army for ten year.2.He has been to/gone to Dalian many times.3.She has got married/been married to Roberts for a year.4.All the preparations for the task are completed/have been completed,and were ready to star

11、t.5.He has gone/been away for two days.6.He has had/has bought this book for a year.Tip 1:Non continuity verbs(非延续性非延续性动词动词)and present perfect tense:When non continuity verbs meet the present perfect tense,they need to change the way.They have to transform non continuity verbs to continuity verbs.在

12、现在完成时态中，在现在完成时态中，非延续性动词不可以和非延续性动词不可以和for，since引导引导的延续性时间状语连用。的延续性时间状语连用。Tip2非延续性动词与延续性动词的转换非延续性动词与延续性动词的转换come/go be(in)leave be away borrow keep buy havedie be dead get to know know begin be on go out be offgo out be off arrive be here/there marry/get married(to)be married(to)begin to work/study/li

13、ve work/study/leavefall asleep/get to sleep be asleepjoin the Party be in the Party/be a member of()()()()()()()()I have bought a new dictionary for a week.I have had a new dictionary for a week.我买一本新词典已有一星期了。我买一本新词典已有一星期了。They have come here for two days.They have been here for two days.他们来这儿已经两天了。

14、他们来这儿已经两天了。He has joined the League member for two years.He has been a League member for two years.他已入团两年了。他已入团两年了。The man has been dead for several years.The man has died for several years.这个人已经死了几年了。这个人已经死了几年了。Part B Step 2.Compare and discover Find the meaning behind the sentence.I have been writ

15、ing letters for two hours.我一直在写信整整两个小时了。我一直在写信整整两个小时了。Meaning:That is how I have spent my time.It doesnt matter whether the letters are completed now.It emphasizes the duration of action rather than result.-Continuity She must be tired,for she has been dancing all day.她肯定累了，因为她一天一直在跳舞她肯定累了，因为她一天一直在跳

16、舞(Meaning:She began dancing in the past,and keeps dancing all day.It is because of her non-stop repetitive dancing that makes her tired.)-RepetitionThey have been waiting for their daughter in the rain for an hour.他们在雨中等女儿足足一个小时。他们在雨中等女儿足足一个小时。(Meaning:They have kept waiting so long in the rain.Ther

17、e is somewhat complaint in waiting for her.)-Emotion What is the present perfect continuous tense?Things that started in the past,have lasted up to now and will probably continue to happen.Usage:continuity,repetition and emotion.Comparision tensepresent perfect tensePresent perfect continuous tenses

18、imilaritycontinuity I have taught English for over 20 years.continuity I have been teaching English for over 20 years.Difference1.result I have done my homework.2.desired effectI have washed my car.3.FactThe lazy boy has laid in bed for a whole day.1.repetitionI have been doing my homework.2.unwante

19、d side effect.-Why are you so wet?-I have been washing my car all the morning.3.EmotionThe lazy boy has been lying in bed for a whole day.dowill dobe doinghave donehave been doing Step 3.Practice for consolidation Drill 4 难度难度 1.You know,I _(look)for a job for three months,and this is my first forma

20、l interview.2.My sister _(stay)in Beijing for 3 months.3.The little boy is dirty all over as he _(play)in the mud all the morning.4.Here he is!We _(wait)anxiously for him since last night.have been looking has stayed/has been stayinghas been playing have been waiting Drill 4:Correct the following se

21、ntences.难难度度1.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 been doing before you left Oxford?4.It has been a long time since you come to see me.5.Alice didnt see much of Henry lately.6.Im glad to tell you tha

22、t you passed the exam.7.This is the most gorgeous city I saw before.8.It is the first time that I visited Xiamen._have been contributing _have drunk_had_came_hasnt seen_have passed_have seen_have visitedkey:1.have met 2.to overcome3.that 4.a 5.translation 6.another 7.whether 8.Finally 9.on 10.whyStep 4 HomeworkRead the letter from Tom,and give him a reply telling him what has happened to you recently.Thank you