Module 1 Unit 1 Past and present 课件 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,现在完成时态,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、现在完成时的构成1. 现在完成时的肯定句句型 主语（第一、二人称单、复数）+have 主语（第三人称复数） +have +过去分词 主语（第三人称单数） +has,We have lived in Beijing. He has lived in Beijing. I have finished my homework.,2.现在完成时的否定句 句型 主语+have/has+not+过去分词+. 1) I have not seen the movie yet. 2)

6、 He hasnt been to Beijing since then.,过去分词的构成,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. 现在完成时的一般疑问句 句型 Have/Has+主语+过去分词+. Have you finished the work? Has she arrived here? 4. 现在完成时的特殊疑问句 句型 特殊疑问词+have/has+主语+过去分词+. 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,用括号中动词的适当形式填空 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,她以前曾去过上海。,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.,他已学英语五年了。,He has studied English for five years.,Have a try!,现在完成时的时间状语,常与不确定的时间状语连用，如:already, never, ever, just, yet, before, up to now, so far, for the last few weeks等,表示“到目前为止”所发生的动作. 还可以和包括现在在内(到说话时仍未结束)的,表示一段时间的状语连用，

14、如:now, today, this morning (afternoon, evening, week, month, year), these days, since, for a long time等.,现在完成时的主要用法,一.表示从过去某一时刻开始并一直延续现在的动作或事情,但动作或事情现在已经结束。,Someone has just turned off the light.有人刚把灯关了。,I have already finished my homework. 我已经完成了家庭作业。,二.表示从过去某一时刻开始并一直延续到现在的动作或事情,但动作或事情可能仍在继续。,I wan

15、t to see how much the place has changed since I saw it last. 我想看看从上次见到那地方以来它发生了多大变化。,I have learnt English for more than ten years. 我已经学了10多年的英语。,现在完成时的主要用法,三.表示人曾有过或到目前为止从未有过的经历.,Have you ever been to the Summer Palace? 你曾去过颐和园吗?,I have never had a car. 我从未有过汽车。,现在完成时的主要用法,四.现在完成时还常与句型 This is the

16、first time.，Its the first time.,This is the first time he has driven a car . 这是他第一次开车。,现在完成时的主要用法,五.现在完成时和最高级连用表示到现在为止是最的。,What a boring film! 一部多么令人厌烦的电影啊！,Its the most boring film Ive ever seen. 这是我看过的最令人厌烦的电影。,现在完成时的主要用法,现在完成时的知识点检查,1.He_（write）the sentence yet. 2._you_(修理)your bike yet? 3.Comput

17、ers_(come)into use_(近来). 4._ you _(看展览) recently? No. Is it about changes in Beijing over the past_(世纪)? 5.He_(忘记标题),hasnt he?,has written,Have,repaired,have come,recently,Have,seen any exhibitions,century,has forgotten the title,since短语或从句表示过去的动作延续至今，since之后的时间为一点。 Mr. Smith has worked here since 1

18、984. 1984年以来，史密斯先生一直在这工作。 Hes learned about 5,000 English words since he went to college. 他上大学以来大约学了五千个英语单词。,for短语表示动作延续多长时间，for的宾语为时间段。 1.We have known each other for twenty years. 我们认识有二十年了。 2.I havent seen her for a long time. 我好久没有见到她了。,选用 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后面应该接“段时间”； since后面应该接“点时间”或者“句子”。,关键点： 1.

20、since for 主句都用现在完成时，主句动词为延续性. 2.since引导的从句通常采用“一般过去时”,conclusion,just, recently是完成时的时间状语,just now 有a moment ago 之意，是一般过去时的时间状语。 The train has just arrived. 火车刚到。 Did you see Joan just now? 你刚才看到琼了吗？ Have you heard from your family recently? 你最近收到家人的来信了吗？,1.I_(lose)my pen just now. I_ just _(lose)my

21、pen . 我刚才丢了钢笔 2.She_ just _ (buy) a book. She_ (buy) a book just now. 她刚才买了本书,lost,have,lost,has,bought,bought,ever和never也是现在完成时常见的时间状语。前者意思是“曾经”，多见于疑问句或否定句中；后者意思是“从来没有”，表示全部否定。 “Have you ever seen the film?” “No. I have never seen it.” “你曾经看过这部影片吗？”“没有， 从来没看过。 Nobody in our class has ever been ther

22、e. 我们班没有人去过那。,already和yet常见于现在完成时中，有“已经”之意。前者一般用在肯定句中，后者用在疑问句中。yet在否定句中有“还”之意。 “Has the bus left yet”? “Yes. It has already left.” “No. It hasnt left yet. “汽车开走了吗？” “是的，已经开走了。” “不，还没有开走。 ”,“already” 用于现在完成时的肯定句中, “yet” 用于现在完成时的否定句和疑问句中. 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. 火车到现在还没有到。 Hasnt he come ? 她还没来吗？,already,yet,in the past few years 意思是“过去几年来”，可作现在完成时的时间状语；in the past意思是“在过去”，常作一般过去时的时间状语。 Great changes have taken place in my hometown in the past few years. 过去几年来，我的家乡发生了很大的变化。 Where did you work in the past? 你过去在哪里工作？,be

24、fore泛指“以前”时，可用于现在完成时中；ago表示“现在的一段时间以前”，是一般过去时的时间状语。 Ive never been to Japan before. 我以前没去过日本。 She went to Japan a year ago. 她一年前去了日本。,even since 、then与from then on (after that)都有“打那以后”之意，前者是完成时的时间状语，后者常用作一般过去时的时间状语。 Shes lived here ever since then. 打那以后，她一直住在这。 I didnt hear of Jim from then on/after that. 打那以后，我就没有吉姆的消息。,动 词