初中英语课件——现在完成时公开课.ppt

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1、Present Perfect Tense,Present perfect tense 现在完成时,构成:,have/has not+过去分词,have/has+过去分词,Have/has+主语+过去分词,movelivelovelike,写出下列动词的过去式和过去分词:,visitrepairwatchfinish,visited visited repaired repairedwatched watchedfinished finished,moved moved lived lived loved loved liked liked,verbed,以e结尾d,写出下列动词的过去式和过去

2、分词:,stopmoptrapplan,stopped stopped mopped moppedtrapped trappedplanned planned,注:以一个辅音字母结尾的重读闭音节词,双写最后一个辅音字母ed,双写ed,study hurry,studied studiedhurried hurried,去yied,注:以辅音字母加y结尾的词,去yied.,写出下列动词的过去式和过去分词:,begive seemake put comewrite,was/were beengave givensaw seenmade madeput putcame comewrote writt

3、en,Usages of the present perfect tense,Usage one:We use the present perfect tense to talk about things that happened in the past and have connection with the present.Usage two:We also use the present perfect tense to talk about things that started in the past and continue to the present.,Adverbs of

4、time,before,by now(so far),once,twice,just,recently yet(否/疑),already(肯),ever,never,all ones life,in/during the past/last 5 years,用法一：表示过去发生的某一动作对现在造成的影响或结果。,Exercises,1.I _(have)lunch already.2.Has the train_(arrive),yet?3.Tome _ never_(be to)China.4.The twin _just _(see)my father.5.The twins _(see)

5、my father just now.,have had,arrived,has,been to,has,seen,saw,用法二：for+段时间 since+点时间 since+句子（过去时）since+时间段+agoE.g.Kate has lived here for 3 years.Kate has lived here since 3 years ago.Kate has lived here since she came to China.,表示过去某个时间开始的动作或存在的状态，一直持续到现在并可能还将持续下去。动词使用延续性动词。常与for或since引导的时间连用,since

6、 和for:,1)Eddie has lived with Millie since 2001.Eddie has lived with Millie since 4 years ago.Eddie has lived with Millie since he was born.,小结:since+时间点（词、词组或句子）,2)Eddie has lived with Millie for four years.,小结:for+时间段,3)对以上句子划线部分提问:,How long has Eddie lived with Millie?,We have learned English _ G

7、rade Three in primary school.We have learned English _ five years.2.He hasnt felt well _ last night.Has he seen the doctor?3.I have read this story book _ three days ago.I havent finished reading it yet.,选用since 或for 填空:,since,for,since,since,4.It has snowed _ two days.Everything is covered with sno

8、w.5.We have cleaned the classroom _ half an hour.6.We have studied at this school _ 2003.,for,for,since,常见非延续性动词和延续性动词的转变,arrive/come/go to die become a borrowLeave/move buy openjoin start/begin finish/endcatch a cold get up get to know get out close wake upgo to sleepbecome interested in,be in,be d

9、ead,have,keep,be away/be out,be a,be in/a member of,be open,be on,be over,have a cold,be up,know,be out,be closed,be awake,be asleep/sleep,be interested in,Exercises,His father has died.(for 2 years)The football match has begun.(since9:00a.m)The twins have joined the army.(since they are 18years old

10、)My teacher has just left Nanjing.(for 3 days),His father has been dead for 2 years.,The football match has been on since 9:00 a.m.,The twins have been soldiers/been in the army since they are 18years old.,My teacher has been away from Nanjing for 3 days,重点句型:It is/has been+段时间+since从句 段时间+has passe

11、d+since从句,eg.他死了两年了：He died two years ago.He has been dead for two years/since two years ago It is/has been two years since he died.Two years has passed since he died.,1.这本书我借了一个月了。,I borrowed this book a month ago.,It is/has been a month since I borrowed the book.,I have kept the book for a month./

12、since a month ago.,A month has passed since I borrowed the book.,Have/has gone tohave/has been to have/has been in,have/has gone to:已经去了或在途中，还没有返回；have/has been to:曾今去过某地，现在已经回来了,后面可接表示“次数”的状语;have/has been in:表示某人“已在某地停留一段时间，现仍在那里”，其后常带表示一段时间的状语。,Exercises,Tom 在哪儿？他去书店买书了。我在北京待了5年了。Jack 去过上海两次了,-Wh

13、ere is Tom?-He has gone to the bookshop to buy some books.,I have been in Beijing for 5 years.,Jack has been to Shanghai twice.,1.都表示过去发生的事2.现在完成时强调过去和现在的联系，不能和具体的时间状语连用；3.一般过去时强调过去发生的事或状态与表示过去的具体时间连用（last,ago,yesterday,etc.）,present,past,I have lived here for two years,I lived there 2 years ago,和过去

14、时态的区别及联系：,2007,2009,Eddie was born four years ago.,past,present,Eddie has lived with Millie since he was born.,past,present,Eddie has lived with Millie for four years.,改错:1.The students has cleaned the classroom.The classroom is clean now.2.Mum has cook supper.Supper is ready now.3.I see the new fil

15、m.It is interesting.4.His family lived here since 2000.5.I try on the hat.It doesnt suit me.,have,cooked,have seen,have lived,have tried,1.He _(wait)for an hour.2.I _(not finish)the work yet.3._ you _(know)him since then?4.I _(not hear)from my brother for a long time.5.We _(be)there many times since

16、 3 years ago.,Fill in the blanks with the correct forms of the verbs.,has waited,havent finished,Have,known,havent heard,have been,6.How long _ you _(stay)at home already?7.He _(not read)the book before.8.Her sister _(go)to Changchun.She_(leave)this morning.9.He _(live)in his hometown since he left

17、here.10.The writer _(finish)several story-books since 1990.,have,stayed,hasnt read,has gone,left,has lived,has finished,把下例句子译成英语:,1 南京自1995年以来发生了很大的变化.2 南京已经成为一个现代化的城市.3你们在这个乡村住了多久了?4他结婚了吗?是的,他已经结婚6年了.,Nanjing has changed a lot since 1995.,Nanjing has turned into a modern city.,How long have you li

18、ved in the village?,Has he got married?yes,he has been married for six years.,Correcting,1.I have borrowed the book for 3 months.2.My bother has joined the army since he was 18.3.Jack and Tom have lived here since 5years.4.The film has been on since I have come to the cinema.5.When has Mr.Li caught

19、a bad cold?,have kept,has been in/been a member of the army,since 5 years ago/for 5 years,came,did,catch,6.Ten years have passed since they got married.7.Jim has gone to Beijing for 2 years.8.What time have the factory opened?9.I have gone to Chunhua Middle School twice,has,has been in,did,open,been to,