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1、现在完成时1. 现在完成时的构成:现在完成时由助动词 havehas +过去分词构成,第三人称单数用has,其余用 have。I have bee n in Shen zhe n for seve n years.Lily hasn been to America before.2. 现在完成时的用法:1 )现在完成时通常表示在 说话之前已经完成的动作或存在的状态。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 go ne out.我女儿刚出去。Im sure weve met before. 我肯定我们以前见过面。She has arrived.她到

2、了。2 )表示持续到现在的动作或状态,for,since,yet 等。如:I haven heard from her these days.这些日子我没有收到她的信。We haven seen you recently.最近我们没有见到你。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. 常和现在完成时连用的时间状语:already, yet, before, lately, recently, once, twice, ever, never , since , for 等

3、连用。例如: She hasalready come.她已经来了。I haven read it yet.我还没读过这个。They have n ever bee n to Yan an. 他们从未去过延安。I have nt seen him lately.我近来没看到他。She has bee n an in depe ndent girl since her father passed away.自从父亲去世后,这女孩就变得独立了。Jack has been a doctor for 10 years.杰克做医生已经 10 年了。4. 现在完成时的否定式和疑问句。否定句:在 haveha

4、s 后加 not结构:主语+hashave+not +过去分词+其他一般疑问句:HasHave 提到主语前,其他照写。结构: HaveHas+主语+过去分词+其 他特殊疑问句:特殊疑问词+一般疑问句注意:肯定句中如有 someand,在否定句或者一般疑问句中要变成anyor,即some-anyan d-or以 study 为例,其否定式、疑问式和简单回答形式如下:肯定句否定句疑问句回答I have studiedGerma n before.I have not (haven ) studiedGerma n before.Have you studied German before?Yes,

5、 I have. No,I haven have not.He has studiedGerma n before.He has nothasn studiedGerma n before.Has he studiedGerma n before?Yes,he has.No,he has n have not.5.部分不规则变化动词表Base FormPast FormPast Participlebearborebornbeatbeatbeate nbecomebecamebecomeblowblewblow nbringbroughtbroughtbuildbuiltbuiltbuybou

6、ghtboughtcatchcaughtcaughtchoosechosechosencomecamecomedodiddonedrinkdrankdrunkdrivedrovedriveneatateeate nfallfellfalle nfindfoundfoundflyflewflow ngetgotgotgivegavegive ngowentgonegrowgrewgrow nhavehadhadhearheardheardkeepkeptkeptleaveleftleftloselostlostmakemademadeputputputreadreadreadrunranruns

7、aysaidsaidseesawsee nsellsoldsoldsendsentsentsingsangsungsi nksank/sunksunktaketooktake nteachtaughttaughtwritewrotewroteam, iswasbee narewerebee n6.注意:1. sinee 和 for 的区别since 后接过去的某个时间点,如1993 , last term, yesterday, the time I got therefor 后接一段时间,表示长达多久”女口 ten years, a while, two days 等。Exercise:用

8、since 禾口 for 填空1. Jim has bee n in Irela nd_ Mon day.2. Jill has bee n in Irela nd_three days.3. His aunt has lived in Australia_ 15 days.4. Mary is in her office. She has bee n there_ 7 oclock.5. In dia has bee n an in depe ndent country_1974.6. The bus is late. Theyve bee n wait ing_ 20 minu tes.7

9、. Nobody lives in those houses. They have bee n empty_many years.8. Mike has bee n ill_a long time. He has bee n in hospital_ October.2.表示短暂意义的动词如arrive, leave, borrow, buy, begin, start, die 等,在完成时当中不能和表示一段时间的状语连用,因为它们表示的动作不可能持续。因此,不能说:He has come here for 2 weeks.xThe old man has died for 4 mon th

10、s.xThey have left only for 5 minu tes.x以上三句话可以改为:He has bee n here for 2 weeks.The old man has_ for 4 mon ths.They have_only for 5 minu tes3.have (has) been(toin ) + 地点 和 have (has)gone(to)+地点的区别:曾到过某地” =have (has) been ”;去过,现在已经回来了。已经去某地” have (has) gone ”。去了没有回来。 试比较:Where has he bee n? 他刚才到哪里去了?(

11、已经回来了)Where has he gone?他上哪儿去了?(人不在)They have been to Can ada. 他们到过加拿大。(现在已经不在加拿大)They have gone to Can ada.他们到加拿大去了。(可能在路上和已经到加拿大)随堂练习:一、用单词的适当形式填空1.Shes_ (live) here ever si nee she was ten.2. Both of them_ (be) in Hongkong for ten days.3. Both of them_ (come) to Hongkong ten days ago.4. Half an h

12、our_ (pass) since the train_ (leave).5. Mary_ (lose) her pen._you_(see) it here and there?6. _ you_ (find) your watch yet?7. -Are you thirsty? -No I_ ust_ (have) some orange.8. We _ already_(return) the book.9. _ they_ (build) a new school in the village?10. I_ (not fini sh) my homework . Can you he

13、lp me?11. My father _ (read) the novel twice.12. I_(buy) a book just now.13.1_ (lost ) my watch yesterday.二、单选题1. How long have you_here?A. comeB. got2. My gran dpa died_ .A. at the age of my 2C. whe n I was 2.3. Jane has_to BeiJing. She will come back tomorrow.A. bee nB. goneC. went4. It is ten yea

14、rs_ I last saw her.A. afterB. sinceC. for5. -Who will go to the stati on to meet Lorry?-I will. I_ her several times.A. metB. have metC. had metC. arrivedB. for 2 yearsD. my age was 6.D. been6. -What a nice dress! How long_ you_ it?-Just 2 weeks.-Yes, She and I_friends si nee we were very young.A. h

15、ave madeB. have become C. have bee nD. have turned8. The Smiths_ in China for 8 years.A. has livedB. livedC. have bee nD. live9. -Hello, this is Mr. Green speaki ng. Can I speak to Mr. Black?-Sorry. He_the Bai niao Park.A. has bee n toB. has gone toC. went toD. will go to10. -_ you ever_to the US?-Y

16、es, twice.A. Have, gone B. Have, beenC, Do, goD. were, going三、 将下列句子变成否定句,一般疑问句,并对划线部分提问。1) I have bee n there for two days.否定句:一般疑问句:对划线部分提问:2) My father has lived here since 2000.否定句:一般疑问句:对划线部分提问:3) He left here yesterday.否定句:一般疑问句:对划线部分提问:4) They bought a book two hours ago.否定句:一般疑问句:对划线部分提问:四、

17、用 never, ever, already, just, yet, for, since ” to 填空1.1 have_see n him before, so I have no idea about him.2. Jack has_ fini shed his homework.3. Mr. Wang has taught in this school_ ten years.4.Have you_ seen the film? ” No, I have_ seen it”5. Has the bus left_ ?” Yes, it has_ left.五、 用 have(has) b

18、een 或 have(has) gone 填空。A. will, buyB. did, buy7.-Do you know Lydia very well?C. are, havi ng D. have, hadA: Where_ Li Fei_ ?B: He_to Hai nan Isla nd.A: How long_ he_ there?B: He_ there for three days.A: Whe n will he come back , do you know?B: Im afraid he won come back recently.A: Could you tell m

19、e the way to Hainan Isla nd?B: Sorry, I_ n ever_ there.A: How many times_Li Fei_to that place?B: He_ there only once.五、用 have / has been to /in, have gone to 及 go 的适当形式填空。1) Where is Jack? He_ _ Canada.2) David_the park just now.3) John_ _ England since he came back.4) How long_they_ this village?5) The Smiths _ _ _ Beiji ng for years.6) _you ever_ America? - Yes, I_ there many times.7) I_ this school since three years ago.8) Where is Jim? He_ _ the farm.9) When_he_ ? He_an hour ago.10) Woul

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