英语教学课件系列现在完成时presentperfecttense

1、8BUnit 1 Past and PresentGrammar (A)Learning aims1.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. 1 Questions about Reading:(1) How long has Mr. Chen lived in Sunshine Town? (2) When did

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

3、e 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 studied these days?(5) Where have you been recently?The Present Perfect Tense现在完成时态The Present Perfect TenseWe use the simple past tense to talk about

4、 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 with Millie for four

5、 years. presentPastPastpresent4 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+ E.g. 1) I have not seen the movie yet. 2)He hasnt been to Beij

6、ing since then.I / They/ We / You have (not) moved.He / She / It has (not)has not = hasnt have not= havent 过去分词的构成上一页下一页 Typeoriginal p.t p.pcostcostcostreadreadreadmeetmetmetcatchcaughtcaught rideroderiddenspeakspokespokenkeepkeptkeptdrinkdrankdrunkeatateeatenABBAAA ABCSome more examples: most verb

7、s Irregular verbs Infinitive Past particle Infinitive Past particlevisitvisitedcomecomelivelivedseeseenrepairrepairedbebeenfinishfinishedgivegivenmovemovedwritewrittenwatchwatchedmakemadetraveltravelledputputMaking sentencesMr.Wu asks the students to complete the sentences below using the present pe

8、rfect tense. Help them complete the 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 yetMr Dong _ (repair) over ten bicycle since last Monday.You _ (not visit)me for a long time.have finishedhavent comehas

9、playedhave not seenhave not repairedhave not visitedCheck 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 Great Wall?Chat timeMillie and Sandy are talking about an exhibition o

10、f the history of Beijing. Complete their conversation. Use the correct forms of the verbs in the brackets.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 a

11、bout changes in Beijing over the past century.Haveseenhaventhave seenhave forgottenS: 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 ex

12、hibition and I _ (decide) to see it again. Do you want to go with me? S : Sure. I wont miss it this time.have heardgoDidhas beenlearnthave decidedidntAct the dialogue out.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 (b

13、e) there many times in the past 3 years.The dog (die) since 3 days ago.They (finish)the work so far.How long you (stay) at home already?has waitedhavent finishedHaveknownhave heardhave beenhas been deadhave finishedhavestayedPractice:9. I (not read) the book before.10. He just (do) it.11. My sister (walk) to school every day last year.12. We (have) an exam again