初中英语牛津英语八年级下册8B第一单元8B Unit1 Grammer(现在完成时)课件

1、现在完成时态We use the simple past tense 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 h

2、e was born. Eddie has lived with Millie for four years. presentPastPastpresent4 years现在完成时的肯定句现在完成时的肯定句 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现在完成时的否定句句型句型 主语主语+have/has+not+过去分词过去分词+ I have not seen the movie yet. He hasnt been to Beijing since the

3、nI / They/ We / You have arrived.He / She / It has Have you.? Has he.?Yes, I have Yes, he has.No, I havent. No, he hasnt . has not = hasnt have not= havent The table below shows how we form the past particles of some verbs. most verbs Irregular verbs Infinitive Past particle Infinitive Past particle

4、traveltravelledcomecomevisitvisitedseeseenlivelivedbebeenmissmissedgivegivenlandlandedwritewrittenmovemovedmakemadelearnlearnedputputMaking sentencesMr.Wu asks the students to complete the .Wu asks the students to complete the sentences below using the present perfect sentences below using the prese

5、nt perfect tense.Help them complete the sentences.tense.Help them complete the sentences.1.1.They_(go) to the cinema already.They_(go) to the cinema already.2.2.Mr. And Mrs.Li _(not come) Mr. And Mrs.Li _(not come) back yet.back yet.3.3.John_ (be)to the USA a few John_ (be)to the USA a few times.tim

6、es.4.4.We _ (not see)that film yetWe _ (not see)that film yet5.5.I _ (not talk)to my cousin I _ (not talk)to my cousin since last Friday.since last Friday.6.6.You _ (not visit)me for a You _ (not visit)me for a long time.long time.have gonehave not comehas beenhave not seenhave not talkedhave not vi

7、sited3现在完成时的一般疑问句现在完成时的一般疑问句句型句型 Have/Has+Have/Has+主语主语+ +过去分词过去分词+ +. . Have you finished the work? Have you finished the work? Has she arrived here? Has she arrived here?4 4现在完成时的特殊疑问句现在完成时的特殊疑问句句型句型 特殊疑问词特殊疑问词+have/has+have/has+主语主语+ +过去分词过去分词+ +. .How many times have you been How many times have

8、 you been to the Great Wall?to the Great Wall?Chat timeMillie and Sandy are talking about a film and Sandy are talking about a film about Hong Kong.Complete their about Hong Kong.Complete their conversation.Use the correct forms of the conversation.Use the correct forms of the verbs in the brackets.

9、verbs in the brackets.M : _ you _ (see)any films recently, M : _ you _ (see)any films recently, Sandy?Sandy?S : No, I _.What about you?S : No, I _.What about you?M : Yes, I _ (see)one. M : Yes, I _ (see)one. S : What is it about?S : What is it about?M : I _ (forget) the M : I _ (forget) the title.It

10、s about Hong Kong.title.Its about Hong Kong.Haveseenhaventhave seenhave forgottenS: _ your cousin _ (go) S: _ your cousin _ (go) with you?with you?M : No, he _.He _ (be) M : No, he _.He _ (be) very busy this week.very busy this week.S : Did you enjoy this film? S : Did you enjoy this film? M : Yes,

11、I did.I _ M : Yes, I did.I _ (learn)a lot about Hong Kongs (learn)a lot about Hong Kongs past and present._ you past and present._ you _ (visit)Hong Kong before? _ (visit)Hong Kong before? S : No, I _.But I have heard S : No, I _.But I have heard about Hong Kongs new airport.about Hong Kongs new air

12、port.Didgodidnthas beenhave learntHavevisitedhaventM : Do you know how long it has in M : Do you know how long it has in service.service.S : No, I dont.S : No, I dont.M : Let me tell M : Let me tell you.It_(be) in service you.It_(be) in service since 1998.since 1998.S: Oh,so it was one year after S:

13、 Oh,so it was one year after Hong Kongs return to China!Hong Kongs return to China!M: Yes. You must go and watch that M: Yes. You must go and watch that film if you want to learn more film if you want to learn more about Hong Kong.about Hong Kong.has been实力测验实力测验用括号中动词的适当形式填空用括号中动词的适当形式填空1. He _ (wa

14、it) for an hour. 2. I (not finish) the work yet.3. you (know) him since then?4. I _ (hear) from my father recently.5. We _ (be) there many times in the past 3 years.6. The dog _ (die) since 3 days ago.7. They _ (finish)the work so far.8. How long you _ (stay) at home already?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 sometime next week.13. By 2000, we _ (plant) 2000 trees.14. Lucy _ _ (go) to Sha