现在完成时 (3)精选课件.ppt

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1、关于现在完成时(3)第一页，本课件共有34页现在完成时现在完成时1.1.过去发生的动作对现在造成的影响或结果。过去发生的动作对现在造成的影响或结果。2.2.过去已经开始，持续到现在的动作或状态过去已经开始，持续到现在的动作或状态动词构成：动词构成：have/has+v过去分词过去分词had breakfastI have just had my breakfast.(现在我不饿现在我不饿)Im not hungry nowmoved herein 2000I still live hereI have lived here for three years.I have lived here s

2、ince 2000/three years ago.now第二页，本课件共有34页I just my clothes.He just his breakfast.过去分词过去分词过去分词过去分词have/has+动词的过去分词动词的过去分词一一.现在完成时现在完成时 的构成的构成:havecleaned hadhas动词动词助动词助动词观察下列句子：观察下列句子：第三页，本课件共有34页I have just cleaned my clothes.He has just had his breakfast.把下列句子变成否定句。把下列句子变成否定句。notnothave/has+动词的过去分词

3、动词的过去分词助动词助动词第四页，本课件共有34页把下列句子变成一般疑问句把下列句子变成一般疑问句1.I have just cleaned my clothes.2.He has just had his breakfast.Have you just cleaned your clothes?No,I havent.Yes,I have.Has he just had his breakfast?Yes,he has.No,he hasnt.have/has+动词的过去分词动词的过去分词助动词助动词第五页，本课件共有34页把下列句子变成特殊疑问句。把下列句子变成特殊疑问句。1.I have

4、 just cleaned my clothes.2.He has just had his breakfast.What have you just cleaned?What has he just done?代动词：代动词：do-did-done过去分词过去分词过去式过去式have/has+动词的过去分词动词的过去分词助动词助动词第六页，本课件共有34页 3 have been to have gone to have been in 第七页，本课件共有34页 already 已经 （用在肯定句)当用在疑问句中时表示惊讶之意Have you finished your homework a

5、lready?(表惊讶)yet 用在否定句和疑问句中Have you seen the film yet?He hasnt watered the flowers yet.Still 仍然 还 You still dont understand what I said .never 表示否定意义ever 多用在疑问句before 一般位于句末just 用在be后行前第八页，本课件共有34页so far,once/twice/three times,all ones life例:They have learnt 2000 words so far.Tom has seen the film tw

6、ice.Her father has worked in the factory all his life.第九页，本课件共有34页in the past+一段时间 during the last+一段时间例:They have built many high buildings in the past three years.Great changes have taken place in Bin Zhou during the last two years第十页，本课件共有34页.区分区分短暂性动词短暂性动词与与持续性动词持续性动词.表示短暂性表示短暂性(瞬间性瞬间性)的动词在现在完成时

7、的的动词在现在完成时的句中句中不能不能和和一段时间一段时间连用连用.即即for,since短语短语或或how long问句问句 注意：在否定句中却可以注意：在否定句中却可以第十一页，本课件共有34页一段时间的表达方法有两种一段时间的表达方法有两种:for:+一段时间一段时间 for a year for two weeks for three yearsSince +点时间点时间 since nine since last week +从句（一般过去时态）从句（一般过去时态）since you came since you got home.注意注意:for 和和since 所引导的时间状语都

8、表示一段时间所引导的时间状语都表示一段时间He has been away since last week.对划线部分提问都用对划线部分提问都用How longHe has been away for one week.某个动作从过去已经开始某个动作从过去已经开始,一直持续到现在一直持续到现在,还有可能持续到将来还有可能持续到将来.动作的持续性要通过一段时间来表示动作的持续性要通过一段时间来表示.第十二页，本课件共有34页动词的过去分词形式动词的过去分词形式1.规则动词规则动词2.不规则动词不规则动词finish-finished-finishedlive-lived-livedcarry-c

9、arried-carriedstopstopped-stoppedEg.gowentgonesee-sawseenforgetforgotforgottenLightlitlit 第十三页，本课件共有34页2002now/20102.我们上了我们上了8年学了。年学了。We have gone to school for eight years.1.我们在我们在2002年上的学。年上的学。We went to school in 2002.foreight yearsWe have been in school for eight years.go went gone,is/am/arewas/

10、were-beenWe have been in school since 2002.We have been in school since eight years ago.观察下列句子：观察下列句子：第十四页，本课件共有34页 表示过去某一时间已经开始，持续到现在表示过去某一时间已经开始，持续到现在的动作或状态，这一动作或状态现在仍存在，的动作或状态，这一动作或状态现在仍存在，常与表示常与表示持续的时间状语连用持续的时间状语连用.表示持续动表示持续动作或状态的动词多是作或状态的动词多是延续性动词或否定的延续性动词或否定的非非延续性动词延续性动词。现在完成时用法二现在完成时用法二常用的时间状

11、语：常用的时间状语：since for all ones life一生一生,in the past/last few years在过去的几年在过去的几年,so far迄今为止迄今为止.I have lived here for over ten years.三三.现在完成时用法二：现在完成时用法二：+（点时间）（点时间）,+（段时间）（段时间）,第十五页，本课件共有34页2002now/20102.我们上了我们上了8年学了。年学了。We have gone to school for eight years.1.我们在我们在2002年上的学。年上的学。We went to school in

12、2002.for eight yearsWe have been in school for eight years.go went gone,is/am/arewas/were-beenWe have been in school since 2002.We have been in school since eight years ago.（点时间）（点时间）,（点时间）（点时间）,（段时间）（段时间）观察下列句子：观察下列句子：第十六页，本课件共有34页We have gone to school for eight years.We have been in school for ei

13、ght years.观察下列句子：观察下列句子：2.我们上了我们上了8年学了。年学了。2002now/2010表示持续动作或状态的动词多是表示持续动作或状态的动词多是延续性动词延续性动词。第十七页，本课件共有34页非延续性动词非延续性动词arrive/come/go to Leave/move become a join start/begin openclose go to sleep常见非延续性动词和延续性动词的转变常见非延续性动词和延续性动词的转变be inbe away/be out be abe in/be a member ofbe onbe openbe closedbe asl

14、eep睡着了睡着了sleep睡着了睡着了延续性动词延续性动词第十八页，本课件共有34页非延续性动词非延续性动词become interested indie finish/end/stopget up get out wake upbuy catch a coldget to knowborrowbe interested inbe dead死亡的状态死亡的状态be overbe outbe upbe awake醒着的醒着的havehave a coldknowkeep保存保存延续性动词延续性动词第十九页，本课件共有34页My parents havent come back for one

15、year.观察下列句子：观察下列句子：表示持续动作或状态的动词也可以是表示持续动作或状态的动词也可以是否定否定的的非延续性动词非延续性动词。第二十页，本课件共有34页2.Mr.Green _ in China since five years ago.A lived B has lived C lives D is going to live1.My brother has _ the army for five years.He uses most of his spare time to learn maths.A.joined in B.joinedc.been to D.been in

16、Exercises：第二十一页，本课件共有34页3.His grandma _ for two years.A died B has been dead C was dead D has died4.How long have you _ the football team of the school?A been on B been at C joined D played Exercises：第二十二页，本课件共有34页5.How long have you _ this dictionary?A bought B borrowed C had D lent6.Li lei the pen

17、 for five years(A)has had (B)bought(C)have had (D)have boughtExercises：第二十三页，本课件共有34页7.He his home for ten years(A)has left (B)left from (C)has been away from (D)was away from8.He hasnt Quanzhou ever since he left school(A)left (B)been away (C)been (D)away fromExercises：第二十四页，本课件共有34页9.Ive been like

18、 this ever snice (A)last week (B)for a week (C)a week (D)the last week10.My mother has worked in this factory 2 years.(A)about (B)for (C)in (D)sinceExercises：第二十五页，本课件共有34页 11.I havent heard from him last week.(A)since (B)for (C)ago (D)before12.His father joined the party_(A)for three years (B)since

19、 three years ago(C)three years ago (D)in two years timeExercises：第二十六页，本课件共有34页13.He moved here in 1999,and he has been here .(A)at that time (B)for five years ago(C)since four years (D)for four years14.Tom has been away from home about five days ago.(A)(B)in (C)since (D)forExercises：第二十七页，本课件共有34页1

20、.自从上星期我借的这本书自从上星期我借的这本书 I have kept the book since last week.2.我成为一个学生两年多了我成为一个学生两年多了.I have been a student for over two years.I borrowed the book last week.I became a student two years ago.3.Mr Black死了三年了。死了三年了。Mr Black has been dead for three years.Mr Black died three years ago.第二十八页，本课件共有34页6.小名参

21、军半年了。小名参军半年了。Xiao Ming has been a soldier for half a year.Xiao Ming joined the army half a year ago.7.我们上了我们上了8年学了。年学了。We have been students for eight years.8.下课下课10分钟了分钟了 The class has been over for ten minutes.9.电影开始了一小时了电影开始了一小时了 The film has been on for an hour.第二十九页，本课件共有34页注：含延续性动词的现在完成时的同义句转换

22、。注：含延续性动词的现在完成时的同义句转换。She has worked for ten years.She began to work ten years agoShe has worked since ten years ago.It is ten years since she began to workTen years has passed since she began to work第三十页，本课件共有34页改错改错:How long have you become a league member？For more than one year.Have you arrived h

23、ere since last night?Yes，youre right.The dog has died for a month.He has gone to Shanghai twice.How long have you been at this school?Since two years.beenbeenbeen deadbeen ago.For 第三十一页，本课件共有34页1.Youve never seen such a wonderful film before,_?2.A havent you B have you C do you D dont you3.2.-Ann ha

24、s gone to Shanghai.4.-So _ her parents.5.3.I have watched the game.6.-When _ you _ it?7.A have watched B do watch C did watch D will watchBhaveC第三十二页，本课件共有34页小结：现在完成时：现在完成时：构成：构成：have/has+过去分词过去分词用法：用法：1.过去发生的动作对于现在造成的影过去发生的动作对于现在造成的影 响和结果。响和结果。2.从过去开始持续到现在的动作或状从过去开始持续到现在的动作或状 态。态。3 have/has been to have/has gone to have/has been in 第三十三页，本课件共有34页感感谢谢大大家家观观看看第三十四页，本课件共有34页