完成时态专题.ppt

1、现在完成时态,-Present Perfect Tense,现在完成时用法一,表示: 过去发生的动作对现在造成的影响和结果. 构成: have/has + 过去分词 时间状语: already, yet,never,ever, before,just already 和 yet 的区别,表示过去发生的某个动作对现在造成的影响或结果。 Have you finished your work yet? Yes,I have.Ive just finished it. Ive already finished it. No, I havent finished it yet.,1.现在完成时用来表示

2、过去发生或已完成的动作或状态对现在造成的影响或结果,也就是说,动作或状态发生在过去但它的影响现在还存在. I have lost my wallet. (含义是:现在我没有钱花了.) Jane has just had it. (含义是:简现在不饿了.) Michael has been ill. (含义是:现在仍然很虚弱) He has returned from abroad. (含义是:现在已在此地),现在完成时谓语动词的构成：助动词have/has(not) +V-ed（P.P.过去分词）,I _(finish) the composition already.,He _(learn)

3、 English for three years.,We/You/ They.,She/It.,have finished,has learned,Can you find out the sentences of the present perfect tense?,1.Youve missed him.,2.Hes just left.,3.Youve just missed it.,4.Hes just gone.,5.Ive only just started.,6.Ive had a silly morning.,7. Ive just followed you all over t

4、he city.,时间状语：already-yet ever-never just once/twice before,I _ (do) my homework already. He _(not finished) his homework yet. _you ever _ (be) to Haiwaii? We _ never _ (see) such an exciting match before. Mother _ just _(clean) the house. Please dont come in. They _(practice) this dialogue twice. I

5、 _ (see) this girl before.,have done,has not finished,Have,been,have,seen,has,cleaned,have practiced,have seen,already 和 yet 的区别,yet 只用于否定句和疑问句当中,yet 表示“已经”,notyet表示“还没有”,1.Im not ready yet. 2.Have you finished your homework yet?,already 也表“已经”,强调动作的完成,常与肯定 的陈述句连用 (可用于疑问句,表示惊讶),1.I have already read

6、 the book four times. 2.Have you finished lunch already? Its only 11 oclock!,“从来不” 用在否定句中,放在句中。 Is he famous ?I have never heard of him .,ever,never,“曾经”通常用于疑问句和肯定句中,放在句中。 I have ever seen this film. Have you ever been to the USA ?,“以前”用在完成时中，放在句末。 have never read this kind of books before.,just,bef

7、ore,“刚刚 ”用在陈述句中,放在句中。 I have just bought a novel。,现在完成时用法二,表示: 过去发生的动作,一直延续到现在, 甚至有可能继续延续下去. 时间状语: 通常和for, since 引导的时间状语连用. for和since的区别,用法2：表示动作或状态从过去开始一直持续到现在甚至将来,Jeff borrowed the books two days ago.,Jeff has kept the books for two days.,标志时间短语：for +一段时间, since+过去的时间点, these years, so far, in the

8、 past/last years,We _ (learn) English for three years/ since two years ago/since 2000. Mr. Green _ (be) in China these years. They _(write) 15 songs so far. The population _ (grow) more slowly in the past ten years.,have learned,has been,have written,has grown,选用for和since填空: 1.We havent seen each ot

9、her _ a long time. 2.His father has been in the Party _ 10 years ago. 3.The film has been on _ 20 minutes. 4.Mr Green has worked here _ he came to China. 5.His grandparents have been dead _ several years. 6. Its five years _ we met last time.,for,since,for,since,for,since,切记用法2的动词仅限于持续动词,短暂性动词不能和for

10、, since 引导的时间状语连用必须改成延续性动词,短暂性动词变延续性动词最常见的有： buy-have, borrow-keep leave-be away (from) die-be dead open-be open, close-be closed come-be here/be in begin/start-be on put on-wear catch a cold-have a cold,举例： 1.我买了这块手表五年了。 2.这位老人已经死了十年了。,I have bought this watch for five years/since 5 years ago. I ha

11、ve had this watch for five years.,The old man has been dead for ten years/since 10 years ago. The old man has died for ten years.,have been to ,have gone to的 区别 have been to 曾经去过 (不在那儿) have gone to 已经去了(不在这儿) have been in 到来 (come的延续性动词),3.他已经回来三天了。 4.自从六点钟他就来这儿了。 5.我离开家乡已十年了。,He has come back for

12、3 days. He has been back for 3 days/since 3 days ago.,He has been here since 6 oclock. He has come here since 6 oclock.,I have left hometown for 10 years. I have been away from hometown for 10 years.,have/has gone to have/has been in have/has been to,1.A: Wheres Jim, Li Lei? B: He _he school library

13、. 2.The Greens _China for three years. We _the Great Wall twice. Its very beautiful.,has gone to,have been in,have been to,B,A,A,B,B stay,A,用Have been to, have gone to, have been in 填空,Mike and his parents _ the north for half a year. Mum is not at home now. she _ the shop. _ you ever _ to kunming ?

14、 Never. Where _ you _ these days? Has Jim arrived yet? Yes, he _ here for several days. Where is Peter? I dont know where he _. 7. Hi Jim! Where _ you _ ? Li Lei is looking for you.,have been in,has gone to,have been,Have been,has been,has gone,have been,现在完成时和一般过去时,He _(work) in our school for one

15、year. He _(come) to our school last year/in 2002. They _(cook) the supper already. They _ (cook) the supper half an hour ago.,has worked,came,have cooked,cooked,Have been & have gone,I have been to Beijing.,He has gone to Beijing.,我去过北京,他已经去了北京,Exercises:,Turn these sentences into another way withou

16、t changing the meaning.,1. I bought the calculator a week ago .,I _ _ the calculator for a week .,2. Tom joined the Young Pioneer last month .,Tom _ _ a Young Pioneer for a month.,3. Its 10 oclock now .The meeting began at 8:30.,The meeting _ _ for one hour and a half.,have,had,has,been,has,lasted,4

17、. Mr. Li left just now .,Mr. Li _ just _ .,5. I came here in 2000.,I _ _ here_ 2000.,6. The cat died three days ago .,The cat _ _ _ for three days .,7. He borrowed the book last Friday.,He _ _ the book for several days .,8. Ken closed the window because of the heavy rain.,Ken _ _ the window _ it beg

18、an to rain.,has,gone,have,been,since,has,been,dead,has,kept,has,closed,since,REWRITE THE SENTENXES,1. I have already found one.（否定句） 2. Has the rain stopped yet?（肯、否定回答） 3. Have you rented the video yet?（同上） 4. She took a video off the shelf. （提问） 5. Peter went to the video shop alone.（同义句） Peter we

19、nt to the video shop _ _ .,by himself,No,I havent,what did she take off the shelf?,yes,it has / No,it hasnt,yes,I have / No,I havent,Choose the correct answers 1.Ken was _ trouble again. A.intoB.inC.atD.on 2.We congratulated him _ the good mark. A.forB.onC.inD.about 3.Listen carefully and reply _ my

20、 question. A./ B.onC.toD.of 4.Everyone was amazed _ the bad news. A.ofB.withC.at D.to 5.My schoolbag is quite different _ yours A.between B.fromC.inD.with 6.I _ you can get it.Its too high for you. A.dont thinkB.believe C.cant think,B,B,C,C,B,A,1.Theyve known each other since_. A.1995 B. three years

21、 2.Ive been interested in Chinese for_. A. last year B. one year 3. She has been a doctor for_. A. two years B.two years ago 4. Ive had a headache since_. A. I got up this morning B. five hours 5. Weve been here for_. A. one hour B. one oclock,A,A,B,A,B,6. My parents have owned this house for_. A. a

22、 long time B. many years ago 7. Theyve been in love since_. A. last spring B. three months 8. We have known each other since_. A. one year B. last year 9. -How long have you been like this? -Since_. A.last night B. two days 10.-How long has she worked here? -She has worked here for_. A. 1993 B. six

23、years,A,A,B,A,B,eat _ _ do_ _ buy_ _ come_ _ lose_ _ see _ _ finish_ _ clean_ _ fall_ _ cut _ _ turn _ _ go_ _,ate eaten,did done,bought bought,came come,lost lost,saw seen,finished finished,cleaned cleaned,fell fallen,cut cut,turned turned,went gone,Write the past and past participle forms of the v

24、erbs:,1.Give out the past form and past participle leave _ _ go _ _ do (does)_ _ make_ _ take _ _ have(has)_ _ get_ _ is(am)_ _ are_ _ feed_ _ 2.Give the proper form of each of the words. amaze(adj)_ selfish(opp.)_ tidy (adj) _ behave(n)_ strange(adv)_ tidy (syn.)_ congratulate(n)_ immediately(syn)_

25、 _,amazed,tidy,strangely,congratulation,at once right now/away,unselfish,behavior,clean,left left,went gone,did done,made maken/made,took taken,had had,got gotten/got,was been,were been,fed fed,Fill in the blanks with already or yet. “Where is Kate?” “Shes _left” 2.Its nearly 10 oclock. Has Anne wok

26、en up _? 3.They havent finished dinner _. 4.She has gone _. 5.I havent worn my new coat_. 6.-Could you do the washing up? -I have _ done it.,already,yet,yet,already,yet,already,GIVE THE PROPER FORM OF EACH OF THE WORDS,rain（形容词） good （最高级） real（副词） good（副词） own（名词） suggest（名词） see（过去分词） pay（过去分词） so

27、n（同音词） indoors（反义词）,rainy best really well owner suggestion seen paid sun outdoors,Rewrite the sentences: Have you packed your suitcase?(作肯定和否 定回答） (already）_ (yet) _ 2. I booked my ticket last month. (对划线部分提问),Yes ,I have already packed my suitcase.,No, I havent packed my suitcase yet.,When did you book your ticket?,不规则动词的过去式以及过去分词巧记规律,AAA: put put put letlet let ABA: becomebecamebecome ABB: standstoodstood ABC: eat ateeaten,AAA,cost-cost-cost rea