英语必修牛Ⅱ津译林版UNIT1课件（共22张）GRAMMMAR.ppt

1、本节课学习重点：、现在完成进行时1.现在完成时的构成2.现在完成时的用法、现在完成时和现在完成进行时的比较他因为上课睡觉被学校开除了。我突然想到他不会说英语。有15人组成的研究小组在最近几年已经取得了巨大的成就。我自回家以后一直睡不好。I have not been sleeping well since I returned home.He was dismissed due to his sleeping in the class.It occurred to me that he cant speak English.The research group made up of 15mem

2、bers has made great achievemets in recent years.她肯定累了，因为她一天一直在跳舞。She must be tired,for she has been dancing all day.The boy started having dinner five minutes ago.He is still having dinner now.The boy _ (have)dinner since five minutes ago.has been havingThe man started working in the field half an h

3、our ago.He is still working now.The man _(work)in the field for half an hour.has been working现在完成进行时的构成：have/has been doing用法1现在完成进行时表示过去的动作持续到现在并有可能持续下去.CCTV has been broadcastingEnglish programs since 1984.broadcast1984futurenowbroadcastbroadcastSummary用法2:现在完成进行时表示过去的动作持续到说话时刚结束。Mavis started wai

4、ting.Kelly arrives.Kelly:Sorry Im late.Have you been waiting long?Mavis:Yes.Ive been waiting for an hour.an hour agofuturenowwaitSummarySummary用法3表示某一动作断断续续地重复，常带有感情色彩。He has been saying he is tired of his work recently.近来他老是说厌倦了自己的工作。Tom _ (read)a book about Stonehenge.(She finished reading the boo

5、k.)Tom _(read)a book about Stonehenge.(She is still reading the book.)has readhas been readingComparison 1:pastfuturenowdiddohave donepastfuturenowdiddohave been doingdo1.2.Someone has phoned you.Someone has been phoning you.有人给你打电话了。有人一直在给你打电话。通常不表示动作的重复。表示动作的重复。Comparison 2：Who has been eating my

6、apples?Who has eaten my apples?（带有感情色彩）（不带有感情色彩，只是陈述某事情）Comparison 3：Comparison 4：I have had this camera for five years.I have taken photos of UFOs with this camera.I have been taking photos of UFOs with this camera.现在完成时可以用表示状态的动词或表示动作的动词做谓语；而现在完成进行时则只能用表示动作的动词做谓语。Consolidation1.You dont need to de

7、scribe her.I _(meet)her several times.2.Since she left home,I _(not,sleep)at all well.3.The price _(go)down,but I doubt whether it will remain so.have methavent been sleepinghas gone1.Hi,Tracy,you look tired.Im tired.I _ in the living room all day.A.painted B.had paintedC.have been painting D.have p

8、ainted2.There is so much snow these days,isnt there?Yes,it _ for a few days.A.was snowing B.has been snowing C.had been snowing D.snowed3.Although these scientists _ on the project for nearly four years,I dont know how long it will last.A.have been working B.had worked C.were working D.are working4.

9、Now that she is out of job,Lucy _ going back to school,but she hasnt decided yet.A.had considered B.has been considering C.considered D.is going to consider5.The little boy is dirty from head to foot because he _ in the mud all morning.A.has played B.is playing C.has been playing D.was playing6.This is the first time we _ a film in the cinema together as a family.A.seeB.had seenC.sawD.have seen