外研版必修一module4Grammar现在完成时语法(共39张)课件.ppt--（课件中不含音视频）--（课件中不含音视频）

1、Module 4（一）（一）现在完成时的基本现在完成时的基本结构结构（二）（二）现在完成时的时间状语现在完成时的时间状语(三三)现在完成时的基本用法：现在完成时的基本用法：(四四)使用现在完成时的句型使用现在完成时的句型(五五)现在完成时与一般过去时的区别现在完成时与一般过去时的区别:(六六)终止性动词与延续性动词终止性动词与延续性动词现在完成时现在完成时现在完成时现在完成时Present perfect tense现在完成时的结构：现在完成时的结构：have/has+过去分词过去分词done陈述句肯定形式：主语主语+have/has+过去分词过去分词+其它其它e.g.I have had b

2、reakfast.已经吃过早餐了。He has gone to Beijing.他去北京了。上一页下一页主菜单（一）现在（一）现在完成时的基本完成时的基本结构结构陈述句否定形式：主语主语+have/has+not+过去分词过去分词+（在助动词have/has后+not，可缩写为havent/hasnt）e.g.I havent had breakfast.我还没吃早餐。He hasnt gone to Beijing.他还没有去北京。一般疑问句形式及其答语。Have/Has+主语过去分词主语过去分词（将助动词have/has提前，句末加问号）肯定回答：肯定回答：Yes,主语主语 have/ha

3、s.否定回答：否定回答：No,主语主语 havent/hasnt.Has he gone to Beijing?他去过北京了吗？Yes,he has./No,he hasnt.上一页下一页主菜单特殊疑问句形式：（疑问词+一般疑问句）特殊疑问词特殊疑问词+have/has+主语过去分主语过去分词词？e.g.Where has he gone?他去了哪里？(who，what，when，which，why，where，whose，how)（二）现在（二）现在完成时的时间状语完成时的时间状语常与常与连用，如连用，如:already,never,ever,just,yet,before,so far,i

4、n the past few years等等,表示表示“”所发所发生的动作。生的动作。还可以和表示还可以和表示连用，连用，since,for a long time等等。上一页下一页主菜单 1)since She has learnt English since 2000.She has learnt English since 13 years ago.She has learnt English since she went to primary school.一个时间点个时间点一段时间ago从句从句2)for一段时间一段时间 forfor短语表示动作延续多长时间。短语表示动作延续多长时间

5、。（two weeks/six months/five daystwo weeks/six months/five days）She has learnt English for 13 years.1.表示动作到现在为止已经完成或刚表示动作到现在为止已经完成或刚刚完成。刚完成。I have finished my work.We have set up many new factories.(三三)现在完成时的基本用法现在完成时的基本用法：2.动作发生在过去动作发生在过去,强调对现在的结果、强调对现在的结果、影响等。影响等。Have you ever seen the film“Harry P

6、otter”?Ive spent 3 years in the countryside.3.表示动作发生在过去表示动作发生在过去,并且一直持续并且一直持续到现在到现在,甚至还可能继续下去甚至还可能继续下去,句中句中使用持续性动词使用持续性动词,且常有表示一段时且常有表示一段时间的时间状语。间的时间状语。We havent seen each other for ten years.Ive been an English teacher for about 20 years.4.现在完成时可以用在条件或时间状语现在完成时可以用在条件或时间状语从句中从句中,表示将来某个时刻之前已经完表示将来某个时

7、刻之前已经完成的动作。成的动作。e.g.Ill go home as soon as I have finished my homework.Please lend me that book if you have finished reading it.1)现在完成时现在完成时+since+点时间状语点时间状语(名词、名词、短语、从句短语、从句,其中从句用一般过去时其中从句用一般过去时)2)现在完成时现在完成时+for+段时间状语段时间状语 3)It/This is the first/其他序数词其他序数词/last time+that 从句中从句中,从句使用现在完成从句使用现在完成时。时。

8、(四四)使用现在完成时的句型使用现在完成时的句型 注意注意:在下面的句子中在下面的句子中,主句的谓语主句的谓语动词常用一般现在时：动词常用一般现在时：It is three years since I began to work on the farm.Its a long time since I saw you last.现在完成时表示某一已经完成的动作现在完成时表示某一已经完成的动作对现在造成的结果或影响对现在造成的结果或影响,强调的是强调的是现现在在的情况的情况,所以不能与表示过去的时间所以不能与表示过去的时间状语连用状语连用;一般过去时只表示某一动作或状态在一般过去时只表示某一动作或

9、状态在过去发生或存在过过去发生或存在过,与现在不发生联系与现在不发生联系,它可以与表示过去的时间状语连用。它可以与表示过去的时间状语连用。(五五)现在完成时与一般过去时的区别现在完成时与一般过去时的区别:He has read that book.(说明他现在知道那本书的内容说明他现在知道那本书的内容)He read that book last year.(只说明他去年读过那本书只说明他去年读过那本书)He has gone to America.(他现在不在此地他现在不在此地,在美国在美国)He went to America.(只说明他去过美国只说明他去过美国)1.终止性动词终止性动词:

10、表示短暂的运动状态表示短暂的运动状态,不能和表示一段时间的状语连用不能和表示一段时间的状语连用,常常用的动词有用的动词有:come,go,start,begin,leave,arrive,reach,get,get up,join,marry,open,close,give,lend,borrow,finish,break,see,hear,notice,find,understand,die 等。等。(六六)终止性动词与延续性动词：终止性动词与延续性动词：2.延续性动词延续性动词:表示长时间的运动状态表示长时间的运动状态,能和表示一段时间的状语连用。能和表示一段时间的状语连用。常用的动词有常

11、用的动词有:live,study,work,teach,stay,read,play,fly,talk,rain,eat,run等。等。have/has been&have/has gone 用法比较用法比较 have/has been to “到过，去过到过，去过”，表示曾经到过某处，但现在人不在那。表示曾经到过某处，但现在人不在那。eg.I have been to Beijing twice.(曾经去过北京，现在不在北京曾经去过北京，现在不在北京）have/has gone to“去了去了”，表示，表示已经去了某地，现在人可能在去的途已经去了某地，现在人可能在去的途中或已在那儿了。中或已

12、在那儿了。eg.My father has gone to Beijing.(在北京或去北京的途中在北京或去北京的途中）选用 for和 since填空:1.We havent seen each other _ a long time.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.

13、6.Its five years _ we met last time.forsinceforsinceforsince改改 错错1.I have borrowed this book for two weeks.2.Our manager isnt in today.He has been to Guangzhou.keptgone 1.-How are you today?-Oh,I _ as ill as I do today for a very long time.A.didnt feel B.wasnt feeling C.dont feel D.havent felt单项选择单项

14、选择1.Has your father returned from Africa yet?Yes,but he _ here for only three days before his company sent him to Australia.A.was B.has been C.will beD.would be高考链接高考链接 2.Danny _ hard for long to realize his dream and now he is popular.A.worksB.is workingC.has workedD.worked3.I like these English so

15、ngs and they _ many times on the radio.A.taught B.have taught C.are taught D.have been taught4.So far this year we _ a fall in house prices by between 5 and 10 percent.（A.saw B.see C.had seen D.have seen 5.In recent years many football clubs _ as business to make a profit.A.have run B.have been runC

16、.had been run D.will run6.The country life he was used to _ greatly since 1992.A.change B.has changed C.changing D.have changed7._ David and Vicky _ married?For about three years.A.How long were;being B.How long have;gotC.How long have;been D.How long did;get8.The unemployment rate in this district

17、_ from 6%to 5%in the past two years.A.has fallen B.had fallen C.is falling D.was falling9.Although medical science _ control over several dangerous diseases,what worries us is that some of them are returning.A.achieved B.has achieved C.will achieve D.had achievedmovedComplete the conversation.Use th

18、epreset tense of the verbs in brackets,and for or since where appropriate.Mike:Hi,Kate.Kate:Hi,Mike.Mike:I havent seen your brother around for a long time._ he _(move)to a new neighborhood?HasKate:No,he _ _(move)to a new country!He _ _(be)in Australia _ last year.Mike:Australia!Thats great country._

19、 you ever _(be)there?hasnt movedhas been sinceHave beenKate:No,I _ never _(be)there,but I _ _(decide)to go later this year.Mike:Great!_ your brother _(send)you any photos _ he moved there?havehave decidedHassincebeensent Kate:Yes,in fact,I _ just _(receive)some.Here they are.This is his new house.He _ recently _(finish)decorating it.receivedhas finishedhave