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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 before.定我们以前见过面。She has arrived.她至 U 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,如 recently, already, just, lately, for, since ,y褥。如:I haven ' t heard from

2、her these days些日子我没有收到她的信。We haven ' t seen you recently!近我们没有见至U你。They have been away for two years.他们离开已经两年了。She has been with us since Monday.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的区别have been to强调 去过”,现已不在那里,如:He has been 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< 3.一般疑问句: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+h

4、ave/has+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(morning、afternoon),last(morning、afternoon)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, lately , Just, already, yet, ever, never, before, twice(重复性时间), for+短时间,

5、 since+点时间,so far, how long 提问的疑问句中 He has already obtained a scholarship.I haven't seen much of him recently (lately).We have seen 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 times 等:Have you ever been to BeijingI have never heard

6、 Bunny 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 to present(now), so far 等 :Peter has written six papers so far.Up to the present ever

7、ything 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, stand, lie, keep 等。2. 瞬间性动词: 表示一

8、个动作发生在一瞬间,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/off 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

9、 in the army/a soldier for three years. (他参军已有3 年了。)不用 has joinedShe has been up for quite some time. (她起床已有好久了。)不用has got upHas your brother been 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、gobe away2、comebe here3、come backbe back4、leavebeaway (be not here) 5、buyhave6、b

10、orrow - keep7、diebedead8、beginbe on 9、finishbe over10、openbe open11、closebe closed 12、losebe lost13、get to know -know14、turn on be on 15、get upbe up16、sit down sit/beseated17、join be in ()或 be a member 18、becomebe4.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&

11、#39;Have been to表示去过某地方,不过现在已经回来 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7K和现在的关系。I have just been to London. I went there last month. 我刚去过伦敦,是上个月去 I1 .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

12、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, 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 p

13、ast 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一、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's never seen Chinese films, ?A. hasn't she B. has she C. isn't she D. isshe析:陈述旬部分含否定词never,简略问句部分要用肯定式,又因Kate&

14、#39;s是Kate has的缩写,故选B。2. His uncle has already posted the photos to him. ( 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hasn't, yet。3. -Ann has gone to Shanghai. -So her parents.A. has 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 par

15、ents 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, before 等时,常用现在完成时。如:1. -Mum, may I go out and play basketball? -youyour homeworkyet?A. Do; finish B. Are; finishing C. Did; finish D. Have; finished2. -you anywhere before? -Yes, but I can't remember where IA. Did; surf; surfed B.

16、Have; surfed; surfedC. Did; surf; have surfed D. 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 "或 "since +点时间"等时,主句常用现在完成时,谓语动词必须是延续性动词,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

17、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 borrowed C. has bought D. 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. Ia letter from him since he left.A. didn't receive B. haven't got C. didn't have D. haven't hea

18、rd析:据 since 可知,应排除A、 C, "hear from sb.=receive/get/have a letter fromsb."意为"收到某人的来信",故选Bo三、考查have/has been (to, in)/have/has gone (to) 的区别 。如:1. -Have you everLintong to see the Terra Cotta Warriors? -Yes, 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&quo

19、t;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 in B. have been to C. have gone to D. have been析:本题句中有"for+ 段时间 "结构,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别。如:1. Sun's aunt has gone there for t

20、en years.( 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+since+从旬"进行句子转换。 故答案为:Sun's aunt has been there for ten years. /Sun's aunt went there tenyears ago. /It's ten years since Sun's aunt went there.2. Susan has been in this city fo

21、r more than ten years.( 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, came。3. I won't go to the concert because I my ticket.A. lost B. don't lose 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

22、 his parents look sad. Maybe they what s happened to him .A. knew B . have known C . must know D. will know2 He has been to Shanghai, has he?A . alreadyB . neverC . everD. still3 Have you met Mr. Li ?A. just B. agoC .before D .a moment ago4 The famous writerA. is writing_ one new book in .was writin

23、gthe past two year .C .wrote D .has written5 Our country a lot so farA. has changed ; well C . has changed ; better6 Zhao Lan already in. Yes. I hope it will be even B . changed; good D. changed; better this school for two years . was; studying . has; studiedB . will; study . are; studying7 We Xiao

24、Li since she was a little girl .A. know B . had known C . have known. knew8 Harry Potter is a very nice film. I it twice .A. will see B. have seenC. saw.see9 These farmers have been to theUnited States Really? When there?. will they go . do they go. did they go. have they gone10 you _ your homework

25、yet ? Yes. I it a moment ago.A. Did; do; finishedB . Have; done; finishedC . Have; done; have finishedD. will; do; finish11 His father the Party since 1978 .A. joinedB. has joinedC. was in D. has been in12 Do you know him well ? Sure .We friends since ten years ago .A . wereB . have beenC . have bec

26、ome D . have mad 113 How long have you here ? About two months.A. beenB. goneC. come D. Arrived14 Hurry up! The play for ten minutes.A . has begunB . had begun C . has been onD . Began15 It ten years since he left the army .A. isB. hasC. willD. Was16 Miss Green isn't in the office. she to the li

27、brary.A . has gone B . wentC .will go D. 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' they C. have they D. haven' they19 has Mr White been a member of Greener China since

28、he to China?A.How soon, comesB.How often, gotC.How long, cameD.How far, arrived20 、 His uncle for more than 9 years.A.has come hereB.has started to workC.has lived thereD.has left the university二、句型转换。1、He has never surfed,?(改成反意疑问句)2、They have been here since 2000.(对划线部分提问) have they been here?3、 T

29、he old man last year. He for a year. (die)(动词填空)4、This factory opened twenty years ago.旧义旬转换)This factory for 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 (.同义句)Her mother the Party three years.7、The Green Family moved to Fr

30、ance two years ago.随义旬转换) two years the Green family moved to France.8、 The bus has arrived here. It arrived ten minutes ago报两个句子合并成个 句子)三、一汉译英。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。(never)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(for)5 .他们已去了美国五年了现在完成时练习(二)I. Fill in the blanks with the proper form.1. I alrea

31、dy(see) the film. I(see) it last week.2. he(finish) his work today? Not yet.3. My father just(come) back from work. He is tired now.4. Where ' s Li Ming ? He(go) to the teacher' s office.5. I(work) here since I(move) here in 1999.6. So far I(make) quite a few friends here.7. How long the Wan

32、gs(stay) here ? For two weeks.8. I just(finish) my homework.9. He(go) to school on foot every day.10. you(find) your science book yet?11. If it(be) fine tomorrow, I'll go with you.12. The students(read) English when the teacher came in.13. Look! The monkey(climb) the tree.14. My mother(come) to

33、see me next Sunday.15. I've lost my pen.you(see) it anywhere?II. Choose the best answer.1. How long have you here?A. comeB. gotC. arrivedD. been2. My grandpa died.A. at the age of my 2B. for 2 yearsC. when I was 2.D. my age was 6.3. Jane has to BeiJing. She will come back tomorrow.A. beenB. gone

34、C. wentD. never been4. It is ten years I last saw her.A. afterB. sinceC. forD. that5. -Who will go to the station to meet Lorry?-I will. I her several times.A. metB. have met C. had metD. will meet6 . -What a nice dress! How long you it?-Just 2 weeks.A. will, buy B. did, buy C. are, having D. have,

35、had7 .-Do you know Lydia very well?-Yes, She and I friends since we were very young.A. have made B. have become C. have been D. have turned 8. The Smiths in China for 8 years.A. has livedB. livedC. have been D. live9. -Hello, this is Mr. Green speaking. Can I speak to Mr. Black?-Sorry. He the Bainia

36、o Park.A. has been to B. has gone to C. went to D. will go to10. -you ever to the US?-Yes, twice.D. were, goingA. Have, gone B. Have, been C, Do, goIII. Rewrite the sentences.1. I have been to Macau before.改为否定句)I been to Macau before.2. He hasn ' t come toosc because. . he. was . ill.就划线部分提问) h

37、e come to school?3. I bough a new bike just now.网 just 改写)I just a new bike.4. We began to learn English three years ag畋为同义句)We English three years5. He has never surfed,?(改成反意疑问句)6. They have been here since 2000.(对划线部分提问) have they been here?7. The old man last year. He has for a year. (die)动词填空)8. Miss Gao left an hour ago.(同义句转换)Miss Gao has an hour ago.IV . Ask the questions1) I have been there for two days.you?2) My fath

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