1、Module 4 Book OneThe Present Perfect Tense现在完成时 2016.10.26Learning Aims 123To review the structures of present perfect tense复习掌握现在完成时的结构To grasp differences between present perfect tense and past simple tense 掌握理解现在完成时与一般过去时的区别 To grasp durative and transient verbs理解持续性动词和瞬间动词Lead in:an unfinished s
2、tory about LukaLuka has not been able to walk for many years.He has dreamed of becoming a basketball player.This is the first time that he has thrown a ball to the basket，thanks to his photographer（摄影师）.Because of muscular dystrophy（肌肉萎缩症）Skateboarding has always been exciting to him.However,he has
3、not tried skateboarding in real life.Fortunately,his photographer has helped him to realize his dream,at least in this photo.Has swimming been one of his old dreams?Luka has seen many doctors to get his health back.However those doctors have not cured(治愈)his illness.Yes,it has.I.Structure肯定句：否定句：Sha
4、ve/hasv.+edShave/hasv.+edHe has dreamed of becoming a basketball player.notHowever,doctors have not cured his illness.简单回答：疑 问 句：SHave/Hasv.+ed?Has swimming been one of his old dreams?No,it hasnt.Yes,代+have/has.No,代+havent/hasnt.Yes,it has.Correction:改错Luka have not been able to walkfor many years.H
5、e has dream of becoming a basketball player.Luka has not been able to walk for many years.He has dreamed of becoming a basketball player.Sports has always be exciting to him.Sports have always been exciting to him.Please rewrite the following disordered sentences and make them meaningful.请组词成句。for m
6、any years,been able to,Luka,walk,has,not a basketball player,becoming,he,dreamed of,has,Luka has not been able to walk for many years.He has dreamed of becoming a basketball player.to him,exciting,has,always,Skateboarding,been tried,skateboarding,in real life,he,has,not Skateboarding has always been
7、 exciting to him.He has not tried skateboarding in real life.many,to get,back,has,Luka,seen,his health,doctors Luka has seen many doctors to get his health back.swimming,one,his,been,of,?has,old,dreams,Has swimming been one of his old dreams?II.Differences Between the Past Simple Tense and the Prese
8、nt Perfect Tense一般过去时与现在完成时的区别区别一：表意方面 现 在 完 成 时动作发生在过去,但强调对现在的影响,重点在现在。I have just had my lunch,Im not hungry.一 般 过 去 时过去的动作和状态与现在无关。I was a child 10 years ago.I saw him yesterday.nowthe pastThe Futureaxisthe past The FutureaxisnowI lost my keys yesterday.Do I have my keys now?I dont know.I have lo
9、st my keys.Do I have my keys now?No,you dont.Group Work:Complete and do the dialogues with your partners.Hey,you know what,_(昨天弄到一千美元。)Thats great,I just need some money,_ (你能借我500美元吗？)Sorry,I cant.Why?Because_ (我已经把钱给丢了。)I got$1,000 yesterday.Can you lend me$500?I have lost my money.区别二：时间状语搭配时间状语T
10、emporal AdverbialPast Simple Tense yesterday last week ago in 1990 in October just now when Present Perfect Tense already ever,never since so far,up to now,till now over the past years 时间较具体时间较模糊Task 2:Fill in the blanks by using the correct forms of the verbs.用动词的适当形式填空。The old man_ _ his wife,so h
11、e _sad now.The old man _ _lonely now since his wife _ two years ago.has losthas feltlose,die,feelfeelsdied现在完成时1：发生在过去的动作，对现在有影响时。此时的动作为瞬间动作。thThese homeless children _ _in New Delhi,India since they lost their parents.现在完成时2：发生在过去的动作一直持续到现在并有可能持续下去时；此时的动作为持续性动作。Two volunteer teachers _ _ them Engli
12、sh for a long time.have livedhave taughtlive,teachIII.Durative and Transient持续动词 teach live stay know travel work瞬间动词 die lose come begin see visit26瞬间动词转持续动词 Example:His father has left for five days.His father has been away for five days.瞬间动词转持续动词瞬间动词 buy borrow get up begin/start make friends wit
13、h 持续动词 have keep be up be on be friends with Task 2:Correction改错I have bought a new car for two weeks.I have had a new car for two weeks.He has borrowed the book for two years.He has kept the book for two years.Lucy has got up for an hour.Lucy has been up for an hour.Tom and Jack have made friends s
14、ince they went to college.Tom and Jack have been friends since they went to college.Lets finish Lukas story!Luka has not been able to walk for many years.He has dreamed of becoming a basketball player.Because of muscular dystrophy（肌肉萎缩症）Luka has seen many doctors to get his health back.However those
15、 doctors have not cured(治愈)his illness.但是一个著名的医生已经给Luka打了电话。But a famous doctor has called Luka.他告诉Luka他可以治愈他的病，所以Luka现在很高兴。He has told Luka he can cure his illness.Review 123 We reviewed the structures of present perfect tense.现在完成时的结构We learned the differences between present perfect tense and past simple tense.现在完成时与一般过去时的区别 We learned durative and transient verbs.持续性动词和瞬间动词Homework:Retell Luka story(100 words)
