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1、现在完成时 一、构成 1.肯定句:主语+have/has+过去分词+(其他）。2.否定句:主语+have/has+not+过去分词+(其他）。3.一般疑问句 Have/has+主语+过去分词?Yes,S+have/has.No,S+have/hasnt.二、特征词 already(肯定句)，yet(否定句和疑问句)never，ever(疑问句)just(谓语动词之前)before(句末）so far=up to now,by now（到如今，迄今为止）in the past/last few years,(过去几年来)these days（这几天）since/ever since（自从，从那时
2、起）for+时间段:for two years 三、用法 1.表示过去发生的某一动作对现在造成的影响或结果。I have already seen the film.我已经看过这部电影了。（还记得内容）Jim has just lost his book.吉姆刚才把书丢了。（还没找到）2.常和表示从过去某一时刻延续到现在的一段时间的状语连用.如：for+时间段 For 12 weeks/three minutes since+时间点(起点)since 9 oclock this morning since一段时间agofor时间段;since two weeks ago=for two wee
3、ks for a year=since a year ago;since 2000=for 9 years since+从句(从句常用一般过去时)The Greens have lived in Macao since they moved to Macao from Paris.格林一家从巴黎搬到澳门之后就一直住在澳门。四、时态填空：1.Are you sure you _(lose)the book?-Yes,I _(look)for it everywhere,but I still cant find it.2.We _ already _(copy)these words.3.Jim
4、 _(just,watch)a football match.He is so tired and hungry.4._you ever _(travel)on a train?5.-_ they _(see)the film yet?-Yes.They_(see)it already.-When_they_(see)it?-They _(see)it just now.6.-_ her sister _(be)to Nanning?-No,she_(never,be)there before.五、现在完成时与一般过去时的区别 现在完成时与一般过去时都表示“动作已经发生”，但不同点在于：（1）
5、现在完成时强调这一动作与现在的关系，即对现在产生的结果、影响等，而一般过去时只表示过去的事实，不表示和现在的关系。He has learned French for three years.他学法语已经三年了。He learned French for three years.他曾经学过三年法语。Who has taken my bag?I couldnt find it.谁拿走了我的包？我找不到了？He cleaned the house yesterday.他昨天打扫过房间。The room is clean,for he has cleaned it already.房间很干净，因为他已
6、经打扫过了。（2）现在完成时不可与表示过去的时间副词连用，而一般过去时则可以。He has done some washing yesterday.He did some washing yesterday.他昨天洗衣服了。六、现在完成时与一般过去时练习 1.-Where _you _(put)the book?I cant see it anywhere.-I _(put)it right here.But now its gone.A.did;put;put B.have;put;put C.did;put;have put D.have;put;have put 2.We havent
7、heard from Jane for a long time.What do you suppose _ to her?A.was happening B.happens C.has happened D.happened 3.Hello,I _ you were in London.How long _ here?A.dont know;were you B.hadnt known;are you C.havent known;are D.didnt know;have you been 4.Im glad to tell you that we _ the work in less ti
8、me than we _ expected to.A.finished;were B.have finished;are C.have finished;were D.had finished;were 5.It _ that pleasant music keeps people from becoming tired at their work.A.finds B.has found C.was found D.has been found 6.When I was at college I _ three foreign language but I _ all except a few
9、 words of each.A.spoke;had forgotten B.spoke;have forgotten C.had spoken;had forgotten C.had spoken;have forgotten 7.Im sorry,Mary,I _ your radio for such a long time.?Never mind.A.keep?B.kept C.have kept?D.am keeping 8.Where have you _ these days?9.?I have _ to Yangzhou with my friends.10.A.been,go
10、ne?B.been,been?11.C.gone,been?D.gone,gone 12.Where is your father?We havent seen each other for weeks.13.?_.14.A.He has been to America?15.B.He has gone to England 16.C.He is going to Australia 17.D.He would visit my grandparents 18.They have _ since the factory opened.19.A.left the school?B.joined
11、the team 20.C.become workers?D.worked here 11.Jim _ the Great Wall many times.A.went to?B.goes to C.has gone to?D.has been to 12.It _ ten years since they _ to France.13.A.was,moved?B.was,have moved 14.C.is,have moved?D.is,moved 15._ to the United States?16.?No,never,but I went to Canada a few years
12、 ago.17.A.Have you been?B.Have you gone 18.C.Did you go?D.Will you go 19.I wont go to see the film tonight because I _ my ticket.20.A.didnt lose?B.have lost 21.C.will lose?D.didnt have 22.Miss Wu has taught in this school _.23.A.for ten years?B.ten years ago 24.C.since ten years?D.for ten years ago
13、25.I _ todays homework already.What about you?26.A.have finished?B.finish 27.C.to finish?D.Finishing 28.Ann has gone to Shanghai.So _ her parents.A.has?B.had?C.did?D.have 用所给动词的适当形式填空。1.With the medicine box under her arm,Miss Zhao (hurry)off to look after the man.2.Jim (make)many friends since he (
14、come)to China.3.They _(know)each other for about ten years.4.He _ already _(write)a letter to the factory to ask them to stop making noise.5.When _ she _(leave)?Two hours ago.6._ you _(see)the film before?Yes,I _.?Where _ you _(see)it?At The Queens Cinema.7.Thank you all the same,Mr.Black,but I dont eat sweets.?Oh,I am sorry.I _(not know)that.8.They usually _(go)fishing when they lived there.9.How long _ she _(be)ill?10.They didnt start to work in the field until the rain _(stop).