Module 1 Unit 1 Past and present 課件 1.ppt

1、Module 1Unit 1 Past and Present,Learning aims,1.To know the present perfect tense. 2.To master the structure of the PPT. 3.To learn the differences between the simple past tense and the present perfect tense.,Questions about Reading:,(1) How long has Mr. Chen lived in Sunshine Town? (2) When did Mr.

2、 Chen get married?,He has lived in Sunshine Town since he moved there with his family when he was two years old.,In 1965.,(3) There have been many changes in this town. What has the centre of town become?,It has become a park.,(4) How does Mr. Chen feel from time to time?,He feels a bit lonely.,Some

3、 more questions:,(1) How long have you lived in this town? (2) How long have you studied in this school? (3) How long have you studied English? (4) What have been studied these days? (5) Where have you been recently?,The Present Perfect Tense,現(xiàn)在完成時(shí)態(tài),The Present Perfect Tense,We use the simple past t

4、ense to talk about what happened at a definite time in the past. Past present Eddie was born four years ago.,We use the present perfect tense to talk about things that started in the past and still have some connection with the present. Eddie has lived with Millie since he was born. Eddie has lived

5、with Millie for four years.,present,Past,Past,present,4 years,一、現(xiàn)在完成時(shí)的構(gòu)成1. 現(xiàn)在完成時(shí)的肯定句句型 主語（第一、二人稱單、復(fù)數(shù)）+have 主語（第三人稱復(fù)數(shù)） +have +過去分詞 主語（第三人稱單數(shù)） +has,We have lived in Beijing. He has lived in Beijing. I have finished my homework.,2.現(xiàn)在完成時(shí)的否定句 句型 主語+have/has+not+過去分詞+. 1) I have not seen the movie yet. 2)

6、 He hasnt been to Beijing since then.,過去分詞的構(gòu)成,ABB,AAA,ABC,Some more examples:,Making sentences They_(finish) their homework. Mr. And Mrs. Li _(not come) back yet. John_ (play) this computer game a few times. We _ (not see)that film yet Mr. Dong _ (repair) over ten bicycle since last Monday. You _ (n

7、ot visit)me for a long time.,have finished,havent come,has played,have not seen,have not repaired,have not visited,Check the answers:,3. 現(xiàn)在完成時(shí)的一般疑問句 句型 Have/Has+主語+過去分詞+. Have you finished the work? Has she arrived here? 4. 現(xiàn)在完成時(shí)的特殊疑問句 句型 特殊疑問詞+have/has+主語+過去分詞+. How many times have you been to the

8、Great Wall?,Chat time M : _ you _ (see)any exhibition recently, Sandy? S : No, I _.What about you? M : Yes, I _ (see) one. I saw it at the history museum last week. S : What is it about? M : I _ (forget) the title. Its about changes in Beijing over the past century.,Have,seen,havent,have seen,have f

9、orgotten,S: Oh, yes. I _ (hear) about it._ your cousin _ (go) with you? M : No, he _. He _ (be) very busy this week. S : Did you enjoy the exhibition? M : Yes, I did. I _ (learn)a lot about Beijings past and present. Its a good exhibition and I _ (decide) to see it again. Do you want to go with me?

10、S : Sure. I wont miss it this time.,have heard,go,Did,has been,learnt,have decide,didnt,用括號(hào)中動(dòng)詞的適當(dāng)形式填空 He _ (wait) for an hour. I _ (not finish) the work yet. _you _ (know) him since then? I _ (hear) from my father recently. We (be) there many times in the past 3 years. The dog (die) since 3 days ago

11、. They _ (finish)the work so far. How long _ you (stay) at home already?,has waited,havent finished,Have,known,have heard,have been,has been dead,have finished,have,stayed,Practice:,9. I _ (not read) the book before. 10. He _ just _ (do) it. 11. My sister (walk) to school every day last year. 12. We

12、 _ (have) an exam again sometime next week. 13. By 2000, we _ (plant) 2000 trees. 14. Lucy _ (go) to Shanghai. She _ .(leave) this morning. 15. Tom _ (buy) the bike for 2 years.,has,done,walked,will have,had planted,has gone,left,have bought,havent read,她以前曾去過上海。,She has been to Shanghai before.,他在上

13、海10年了。,She has been in Shanghai for ten years,他去上海了。,He has gone to Shanghai.,他已學(xué)英語五年了。,He has studied English for five years.,Have a try!,現(xiàn)在完成時(shí)的時(shí)間狀語,常與不確定的時(shí)間狀語連用，如:already, never, ever, just, yet, before, up to now, so far, for the last few weeks等,表示“到目前為止”所發(fā)生的動(dòng)作. 還可以和包括現(xiàn)在在內(nèi)(到說話時(shí)仍未結(jié)束)的,表示一段時(shí)間的狀語連用，

14、如:now, today, this morning (afternoon, evening, week, month, year), these days, since, for a long time等.,現(xiàn)在完成時(shí)的主要用法,一.表示從過去某一時(shí)刻開始并一直延續(xù)現(xiàn)在的動(dòng)作或事情,但動(dòng)作或事情現(xiàn)在已經(jīng)結(jié)束。,Someone has just turned off the light.有人剛把燈關(guān)了。,I have already finished my homework. 我已經(jīng)完成了家庭作業(yè)。,二.表示從過去某一時(shí)刻開始并一直延續(xù)到現(xiàn)在的動(dòng)作或事情,但動(dòng)作或事情可能仍在繼續(xù)。,I wan

15、t to see how much the place has changed since I saw it last. 我想看看從上次見到那地方以來它發(fā)生了多大變化。,I have learnt English for more than ten years. 我已經(jīng)學(xué)了10多年的英語。,現(xiàn)在完成時(shí)的主要用法,三.表示人曾有過或到目前為止從未有過的經(jīng)歷.,Have you ever been to the Summer Palace? 你曾去過頤和園嗎?,I have never had a car. 我從未有過汽車。,現(xiàn)在完成時(shí)的主要用法,四.現(xiàn)在完成時(shí)還常與句型 This is the

16、first time.，Its the first time.,This is the first time he has driven a car . 這是他第一次開車。,現(xiàn)在完成時(shí)的主要用法,五.現(xiàn)在完成時(shí)和最高級(jí)連用表示到現(xiàn)在為止是最的。,What a boring film! 一部多么令人厭煩的電影啊！,Its the most boring film Ive ever seen. 這是我看過的最令人厭煩的電影。,現(xiàn)在完成時(shí)的主要用法,現(xiàn)在完成時(shí)的知識(shí)點(diǎn)檢查,1.He_（write）the sentence yet. 2._you_(修理)your bike yet? 3.Comput

17、ers_(come)into use_(近來). 4._ you _(看展覽) recently? No. Is it about changes in Beijing over the past_(世紀(jì))? 5.He_(忘記標(biāo)題),hasnt he?,has written,Have,repaired,have come,recently,Have,seen any exhibitions,century,has forgotten the title,since短語或從句表示過去的動(dòng)作延續(xù)至今，since之后的時(shí)間為一點(diǎn)。 Mr. Smith has worked here since 1

18、984. 1984年以來，史密斯先生一直在這工作。 Hes learned about 5,000 English words since he went to college. 他上大學(xué)以來大約學(xué)了五千個(gè)英語單詞。,for短語表示動(dòng)作延續(xù)多長(zhǎng)時(shí)間，for的賓語為時(shí)間段。 1.We have known each other for twenty years. 我們認(rèn)識(shí)有二十年了。 2.I havent seen her for a long time. 我好久沒有見到她了。,選用 for和 since填空: 1.We havent seen each other _ a long time.

19、 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,for后面應(yīng)該接“段時(shí)間”； since后面應(yīng)該接“點(diǎn)時(shí)間”或者“句子”。,關(guān)鍵點(diǎn)： 1.

20、since for 主句都用現(xiàn)在完成時(shí)，主句動(dòng)詞為延續(xù)性. 2.since引導(dǎo)的從句通常采用“一般過去時(shí)”,conclusion,just, recently是完成時(shí)的時(shí)間狀語,just now 有a moment ago 之意，是一般過去時(shí)的時(shí)間狀語。 The train has just arrived. 火車剛到。 Did you see Joan just now? 你剛才看到瓊了嗎？ Have you heard from your family recently? 你最近收到家人的來信了嗎？,1.I_(lose)my pen just now. I_ just _(lose)my

21、pen . 我剛才丟了鋼筆 2.She_ just _ (buy) a book. She_ (buy) a book just now. 她剛才買了本書,lost,have,lost,has,bought,bought,ever和never也是現(xiàn)在完成時(shí)常見的時(shí)間狀語。前者意思是“曾經(jīng)”，多見于疑問句或否定句中；后者意思是“從來沒有”，表示全部否定。 “Have you ever seen the film?” “No. I have never seen it.” “你曾經(jīng)看過這部影片嗎？”“沒有， 從來沒看過。 Nobody in our class has ever been ther

22、e. 我們班沒有人去過那。,already和yet常見于現(xiàn)在完成時(shí)中，有“已經(jīng)”之意。前者一般用在肯定句中，后者用在疑問句中。yet在否定句中有“還”之意。 “Has the bus left yet”? “Yes. It has already left.” “No. It hasnt left yet. “汽車開走了嗎？” “是的，已經(jīng)開走了?！?“不，還沒有開走。 ”,“already” 用于現(xiàn)在完成時(shí)的肯定句中, “yet” 用于現(xiàn)在完成時(shí)的否定句和疑問句中. 用“already” “yet”填空 He has ( ) visited many places in China. 注意

23、already 在句中的位置. The train hasnt arrived. 火車到現(xiàn)在還沒有到。 Hasnt he come ? 她還沒來嗎？,already,yet,in the past few years 意思是“過去幾年來”，可作現(xiàn)在完成時(shí)的時(shí)間狀語；in the past意思是“在過去”，常作一般過去時(shí)的時(shí)間狀語。 Great changes have taken place in my hometown in the past few years. 過去幾年來，我的家鄉(xiāng)發(fā)生了很大的變化。 Where did you work in the past? 你過去在哪里工作？,be

24、fore泛指“以前”時(shí)，可用于現(xiàn)在完成時(shí)中；ago表示“現(xiàn)在的一段時(shí)間以前”，是一般過去時(shí)的時(shí)間狀語。 Ive never been to Japan before. 我以前沒去過日本。 She went to Japan a year ago. 她一年前去了日本。,even since 、then與from then on (after that)都有“打那以后”之意，前者是完成時(shí)的時(shí)間狀語，后者常用作一般過去時(shí)的時(shí)間狀語。 Shes lived here ever since then. 打那以后，她一直住在這。 I didnt hear of Jim from then on/after that. 打那以后，我就沒有吉姆的消息。,動(dòng) 詞