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1、时态讲解:现在完成时1)现在完成时通常表示过去发生或已经完成的某一动作对现在造成的影响和结果。说话人强调的是该动作或状态对现在的结果或影响。My daughter has just gone out.我女儿刚出去。I ' m sure we ' ve met be我肯定我们以前见过面。She has arrived.她至到了。2)表示开始于过去并持续到现在的动作或状态,往往和包括现在在内的表示一段时间的状语连用,女口rece ntly, already, just, lately, for,since ,ye等。如:I haven ' t heard from her

2、these da这些日子我没有收到她的信。We haven ' t seen you recentiy最近我们没有见至M尔。They have bee n away for two years.他们离开已经两年了。She has bee n with us since Mon day.3).现在完成时还可以用来表示过去的一个时间到现在这段时间内重复发生的动作.We have had four texts this semester.6. have been to 和 have gone to的区另Uhave been to强调 去过”,现已不在那里,如:He has bee n to

3、the USA three times.他到美国去过三次。(过去到美国”,现在已不在美国”)have gone to主要强调的是 去了”,现在人不在说话的现场,如:-Where's your mother?-你妈妈在哪?-She has gone to the hospital.她去医院了。一结构厂1肯定句:主语+have/has+动词的过去分词+其他2否定句:主语+have/has+not动词的过去分词+其他< 3般疑问句:have/has主语+动词的过去分词+其他Yes,主语 +have/has No ,主语+have/has+not14特殊疑问句:特殊疑问词+have/ha

4、s+主语+动词的过去分词+其他二 常和现在完成时一起连用的时间状语注意:现在完成时不能单独与准确时间连用,(如表示过去的时间状语)如 yesterday(m orning after noon) ,last(m orning after noon 等,除非 与 for, since连用.1. 现在完成时往往同表示不确定的过去时间状语连用如 already(肯定),yet(否定,疑问),just, before, recently, still, latelyJust, already, yet, ever, never, before, twice(重复性时间),for+ 短时间, since

5、+点时间,so far, how long提问的疑问句中 He has already obta ined a scholarship.I have n't see n much of him rece ntly (lately).We have see n that film before.Have they found the missing child yet ?2. 现在完成时常常与表示频度的时间状语连用,如 ever, never, twice, several timHave you ever bee n to Beiji ngI have never heard Bunn

6、y say anything against her.I have used this pen only three times. It is still good.George has met that gentleman several times.3. 现在完成时还往往可以同包括现在时间在内的时间状语连用 ,如 up to these few days/weeks/months/years, just, up toprese nt(no w), so fa 等:Peter has written six papers so far.Up to the present everything

7、 has been successful.三 当现在完成时与表示短时间的时间状语连用时,谓语动词必 须使用延续性动词。如果谓语动词是非延续性动词则转化为对应的延 续性动词。 若不是和短时间连用,则不用转化。英语的行为动词有持续性动词和瞬间性动词之分,使用中应注意两者的区别。1. 持续性动词 : 表示一个动作可以持续一段时间或更长时间。常见的 study, play, do, read, learn, drive, write, clean , sleep, speak, talk, wait, fly, stay,sit, sta nd, lie, kee 等。2. 瞬间性动词 : 表示一个动

8、作发生在一瞬间,非常短暂。亦称终止性动词。常见的 -begin, start, finish, go, come, leave, find, get up, arrive, reach, get to, enter, hear, stop, open, close, become, buy, borrow, lend, happen, join, lose, renew, die, take away, put up, set out, put on, get on/o 等3. 瞬间性动词在完成时中如要与表示持续一段时间的状语连用,通常用意思相 当的持续性动词来替换He has been in

9、 the army/a soldier for three year(s. 他参军已有 3 年了。)不用 hasjoinedShe has been up for quite some time(. 她起床已有好久了。)不用 has got upHas your brother bee n away from home for a long time离家已有好久了吗?)不用has left常用瞬间动词相应持续性动词关系:1、go be away 2、comebe here 3、come backbe back 4、leave be away ( be not here) 5、buyhave6、

10、borrowkeep7、die be dead8、begin be on 9、finish be over 10、open be open 11、close be14、turn onbe onclosed12、lose be lost 13、 get to knowknow15 get upbe up 16、sit down sit/beseated 17、join be in ()或 beamember18、become-be动词不规则变化分类记忆表一、 ABB 型(过去分词与过去式一样)1、sleep -slept sweep - swept keep - kept2、burn -burn

11、t mean - meant3 、 bring brought fight fought buy bought teach taught think thought catchcaught4、 lend - lent build -built send - sent spend - spent find - found hold -held5、 feel -felt smell smelt meet met get got sit sat leave left lose -lost6、sell sold tell -told say -said stand -stood win -won un

12、derstand understood make -madeABC 型(过去分词 = 动词原形 +n / en )1、blow - blew -blown throw -threw -thrown2、drive -drove -drivensee -saw -seengrow -grew grow n draw -drew raw n rise rose -rise n take took takenknow -knew - known show -showed -shown give -gave -given3、 mistake -mistook -mistakeneat -ate -eat

13、e n beat beat -beate nwrite -wrote -writen4、 fall-fell -fallenride -rode -riden三、ABC 型(过去分词 =过去式 +n)break-broke-brokenchoose-chose-chosen speak -spoke -spoken四、ABC 型(动词原形、过去式、过去分词的元音字母呈i-a u 变化)begin -began -begundrink -drank -drunkring -rang -rung五、ABC 型(原形、过去式、过去分词各不一样)am/ is was -beenare were -be

14、enfly flew-flownlie -lay laindo -did -donego -went -gonewear -wore -worn六、ABA 型(过去分词与原形一样)become -became -becomecome -came -comerun ran run七、AAA 型 cut hit hurt let put read八、ABB 型(两种形式)hang -hung / hanged -hung / hanged learn -learned / learnt -learned / learnt shine -shone / shined -shone / shined

15、smell -smelt / smelled -smelt /smelled4. 瞬间动词的否定形式可以与表示一段时间的状语连用例如:I haven ' t seen you for a long time好久没见到你了。)四区别下面三组词* Have been to表示去过某地方,不过现在已经回来 J Have gone to 表示去了,还未回来Have been in 表示一直在某个地方五现在完成时和一般过去时的区别现在完成时用来表示之前已发生或完成的动作或状态,其结果的确和现在有联系。 动作或状态发生在过去,但它的影响现在还存在;而一般过去时表示过去的事实, 不表示和现在的关系。

16、I have just bee n to London. I went there last mon th.我刚去过伦敦,是上个月去的。1. 过去时表示过去某时发生的动作或单纯叙述过去的事情,强调动作;现在完 成时为过去发生的,强调过去的事情对现在的影响,强调的是影响。2. 过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连 用,或无时间状语。一般过去时的时间状语:yesterday, last week ago, in1980, in October, just now,具体的时间状语共同的时间状语:this morning, tonight, this April, now,

17、 once, before, already, recently, lately现在完成时的时间状语for, since, so far, ever, never, just, yet, till / until, up to now, in past years, always,六现在完成时的反义疑问句的结构主语+have/has+动词过去分词+其他,have/has+not+主语 主语+have/has+not+动词过去分词+其他,have/has+主语七现在完成时考点例析、考查其构成"助动词 have (has) +动词过去分词 " 构成现在完成时。如:1. Kate

18、's never seen Chinese fil,ms ? A. hasn't she B. has she C. isn't she D. is she析:陈述句部分含否定词never简略问句部分要用肯定式,又因 Kate's是Kate has 的缩写,故选 B。2. His uncle has already posted the photos to hi改为否定句)His uncle posted the photos to him .析:already常用在肯定句中,yet常用在否定句、疑问句中,故填has n't, ye。3. -Ann ha

19、s gone to Shanghai. -So her pareAnt.sh. as B. had C. did D. have析:"so+助/系/情态动词+主语"结构中的动词形式应与前句结构中动词形式保持 一致,又后句的主语为her parents是复数,故选D。二、考查其用法与标志词(一)当句中有never, ever, just, already, yet, befc等时,常用现在完成时。如:1. -Mum, may I go out and play basketball? -youyour homework yet?A. Do; finish B. Are; fi

20、nishing C. Did; finish D. Have; finished2. - you anywhere before? -Yes, but I can't remember where IA. Did; surf; surfed B. Have; surfed; surfedC. Did; surf; have surfedD. Have; surfed; have surfed析:据yet和before可知,应用现在完成时,故1题选D,2题选D。(二)当句中有"for +段时间域"sinee +点时间"等时,主句常用现在完成时,谓语动词必须是

21、延续性动词,若是非延续性动词,要改为延续性动词或表状态的词(短语)。如:1. His brother has been to Stone Forest twicehe came to Yunnan.A. after B. before C. since D. for 析:主句用的是现在完成时,而从句用的是一般过去时,故选 C。2. Tomthe CD player for two weeks.A. has lent B. has borrowedC. has boughtD. has had析: A、B、C均为非延续性动词,在肯定句中不与表"段时间"的短语连用,故选D。3.

22、 Ia letter from him since he left.A. didn't receiveB. haven't got C. didn't have D. haven't heard析:据 si nee 可知,应排除 A、C, "hear from sb.=receive/get/have a letter from sb." 为"收到某人的来信 ",故选 B。三、考查 have/has been (to, in)/have/has gone的区另。如:1. -Have you everLintong to s

23、ee the Terra Cotta Warrior-sY?es, I have.A. went to B. gone to C. been in D. been to析:据句中的have排除A, B项意为"去某地了",C项意为"一直呆在某地",D 项意为 "去过某地 ",符合题意,故选 D。2. My parents Shangdong for ten years.A. have been inB. have been toC. have gone toD. have been析:本题句中有"fo叶段时间"结构,

24、据此可排除C,B项意为"去过某地",不合题 意, D 项缺介词,故选 A。四、考查现在完成时与其他时态的联系和区另。如:1. Sun's aunt has gone there for ten yea改成正确的句子 ) 析:非延续性动词与 "段时间"连用时,除了把非延续性动词改成延续性动词外, 还可把动词改为一般过去时或借助句型"It's +段时间+si nce+从句"进行句子转 换。故答案为: Sun's aunt has been there for ten years. /Sun's aunt w

25、ent there ten years ago. /It's ten years since Sun's aunt went there.2. Susan has been in this city for more than ten ye改为(同义句)more than ten years Susan to this city.析:据上题分析,且since引导的从句要用一般过去时,故填It is, since, came3. I won't go to the concert because I my ticket.A. lost B. don't lose

26、C. have lost D. is coming 析:因我丢了票的动作发生在过去,而且对现在造成了我不能参加音乐会的结 果,符合现在完成时所表示的含意,故选C。现在完成时的练习(一)一、单项选择1、Both his parents look sad. Maybe they what' s happened to him .A. knew B . have known C . must know D. will knowten minutes. has been on ten years since he left the army .14、Hurry up! The play A .

27、 has begun B . had begun15、ItforC.D.BeganA.alreadyB . neverC . everD . still3、Have you met Mr.Li ?A.justB . agoC .beforeD .a moment ago4、The famous writer one new book in the past two yearA.is writingB .was writingC .wroteD .has written5、Our country _ a lot so far .Yes. I hope it willbe even _A.has

28、changed ; wellB . changed; goodC.has changed ; betterD . changed; better6、Zhao Lan already in this school for two years.A.was; studyingB . will; studyC.has; studiedD . are; studying7、We Xiao Li since she was alittle girl .A.knowB .had knownC . have knownD . knew8、Harry Potter is a very nice film. I_

29、 it twice .A.will seeBhave seenC . sawD .see9、These farmers have been to the United StatesReally? When _ there?A.will they goB . did they goC.do they goD . have they gone10、 you _your homework yet ?Yes. I _ it a moment ago.A.Did; do; finishedB . Have; done; finishedC.Have; done; have finishedD . wil

30、l; do; finish11、His father _ the Party since1978 .A.joinedB. has joinedC . was inD. has been12、Do you know him well ?Sure .We friendssince ten years ago .A.wereB .have beenC . have become D. have mad13、How long haveyou here ?About twomonths.A.beenB. goneC . comeD .Arrivedbeen to Shanghai, has he?2、H

31、e hasin1A. isB. hasC. willD. Was16、Miss Green isn't in the office. sheto the library.A. has goneB. wentC .will goD. has been17、My parents Shandong for ten years.A. have been inB . have been toC . have gone toD. have been18、The students have cleaned the classroom,?A. so theyB. don' theyC. hav

32、e they D. haven' they19has Mr White been a member of Greener China since heto China?A.How soon, comesB.Howoften, gotC.How long, cameD.Howfar, arrived20、 His unclefor more than 9 years.A.has come hereB.hasstarted to workC.has lived thereD.hasleft the university二、句型转换。1、He has never surfed,?(改成反意疑

33、问句)2、They have been here since 2000.(对划线部分提问)have they bee n here?3、The old manlast year. He for a year. (die)(动词填空)4、This factory opened twenty years ago.同义句转换)This factoryfor twenty years.5、Miss Gao left an hour ago.(同义句转换)Miss Gaoan hour ago.6、Her mother has been a Party member for three years(.同

34、义句)Her motherthe Party three years.7、The Green Family moved to France two years ago.同义句转换)two yearsthe Gree n family moved to Fran ce.8、The bus has arrived here. It arrived ten minutes ago扌把两个句子合并成一个 句子)三、汉译英。1. 我刚刚丢了我的化学书。(just)2.我以前从来没去过那个农场。(n ever)3. 你已经看过这部电影了吗?4. 我妹妹成为一个大学生已经三年5.他们已去了美国五年了。 (f

35、or)现在完成时练习(二)I. Fill in the blanks with the proper form.I. 1already(see) the film. I(see) it last week.2. he(fin ish) his work today? Not yet.3. My fatherjust(come) back from work. He is tired now.4. Where' s Li Mi ng ? He(go) to the teacher' s office.5. I(work) here since I(move) here in 19

36、99.6. So far I(make) quite a few frie nds here.7. How longthe Wangs(stay) here ? For two weeks.8. Ijust(fin ish) my homework.9. He(go) to school on foot every day.10. you(find) your scie nee book yet?II. If it(be) fine tomorrow, I'll go with you.12. The stude nts(read) En glish whe n the teacher

37、 came in.13. Look! The mon key(climb) the tree.14. My mother(come) to see me n ext Sun day.15. I've lost my pen.you(see) it any where?II. Choose the best answer.1. How long have youhere?A. comeB. gotC. arrivedD. bee n2. My gran dpa died.A. at the age of my 2B. for 2 yearsC. whe n I was 2.D. my a

38、ge was 6.3. Jane hasto BeiJi ng. She will come back tomorrow.A. bee nB. goneC. wentD. n ever bee n4. It is ten yearsI last saw her.A. afterB. si neeC. forD. that5. -Who will go to the station to meet Lorry?-I will. Iher several times.A. metB. have metC. had metD. will meet6. -What a n ice dress! How

39、 long you it?-Just 2 weeks.A. will, buy B. did, buy C. are, hav ingD. have, had7. -Do you know Lydia very well?-Yes, She and I frie nds since we were very young._Aave madeB. have becomeC. have bee nD. have turned8. The Smithsin Chi na for 8 years.A. has livedB. livedC. have bee nD. live9. -Hello, th

40、is is Mr. Green speaking. Can I speak to Mr. Black?-Sorry. Hethe Bai niao Park.A. has bee n toB. has gone toC. went toD. will go to-you everto the US?-Yes, twice.A. Have, goneB. Have, bee nC, Do, goD. were, goingIII. Rewrite the sentences.1.1 have been to Macau before.改为否定句)Ibee n to Macau before.2.

41、 He has n't come to schoolause he was ill.就划线部分提问)he come to school?3. I bough a new bike just now. 用 just 改写)Ijusta new bike.4. We began to learn English three years ago改为同义句)WeEn glishthree years5. He has n ever surfed,?(改成反意疑问句)6. They have bee n here si nee 2000.(对划线部分提问) have they bee n here?7. The old manlast year. He hasfor a year.

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