单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,完成时态,的用法,1,）现在完成时态表示,过去发生的动作对现在造成的影响或结果,。,Our teacher,has,left,.,We,have studied,English.,I,have,already,finished,the,homework.,He,has had,his,lunch.,He,has become,a,doctor.,Have/has +,过去分词,1.,构成,2.,意义,2,）,某个动作,从过去已经开始,，一直,持续到现在,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。,一段时间,的表达方法有,两,种,:,For :,+,一段时间,for,a year,for,two,weeks,for,three years,Since,：,过去的某一时刻,since,nine,since,last week,一般过去时态的时间状语从句,since,you,came.,since,you got home.,!,:,for,和,since,所引导的时间状语都表示一段时间,.,对划线部分提问都用,How long,.,1,）,He,has been away,since last,week.,2,）,He,has been away,for one,week,.,对下列划线部分进行提问。,练一,练：,1.We have learnt English,_ 3 years._ 3 years ago.,_ we _(,come)here,How long have you learnt English?,for+,一段时间,since+,过去的时间点,就画线提问用,how long,for,since,since,came,关键词：,just,yet;,since,for,;,ever,never;already,before,and so far.,1.have you _ been to Beijing?,No _.,2.I have _ finished my work.,3.I have finished my work_.,4.Have you finished your work_?,5.She has taught English _ 10 years.,6.He has worked in the factory _1 year ago.,ever,just,already,yet,for,since,already,结束性动词不能和表示一段时间的时间状语连用,但是他可以转换成相应的延续性动词,.,1.,直接用,延续性动词,buy,catch,(get)a,cold,borrow Come,/go/,become,put,on,2.,转换成,be,+,名词,join the,army,Join the,Party,go to,school ,Have,have a cold,keep,be,wear,be a soldier,be a Party member,be a student,3.,转换成,be+,形容词或副词,die,finish,begin,leave be,away,fall,sleep be asleep close be closed,4.,转换成,be+,介词短语,go to,school,be,in school,join,the army be in the army,be dead,be over,be on,1.,我们买这本书三年了,.,We,have had,the book for three,years.,2.,他感冒三天了,.,He,has had,a cold for three days.,We,bought,the book three years,ago.,He,caught,a cold three days ago.,一般过去时态和现在完成时态可以构成,同意句,3.,自从上星期我借的这本书,I,have kept,the book since last week.,4.,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.,5.Mr,Black,死了三年了。,Mr,Black,has been dead,for three years.,Mr,Black,died,three years ago.,6.,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,8,年学了。,We,have been students,for eight years.,8.,下课,10,分钟了。,The class,has been over,for ten minutes.,9.,电影开始了一小时了。,The film,has been on,for an hour.,注：,含延续性动词的现在完成时的同义句,转换。,She,began to work,ten years,ago,.,She has worked,since ten years ago,.,It is,ten years,since,she,began to,work,.,Ten years,has passed,since,she,began to,work,.,She has worked for ten years.,1.,这辆自行车我买了两年了。,Ive _ the bike _ two years.,2.He left Nanjing two years ago.,He _ _ _ _,Nanjing for two years.,3.The monkey died last month.,The monkey _ _ _,for a month.,4.A:Hong long _ you _(),B:Two weeks.,A.did,get ill B.have,fallen ill,C.were,ill D.have,been ill,Had for,has been away from,has been dead,D,Exercises,1.You,ve,never seen such a wonderful film before,_,_?,A havent you B have,you,C,do,you D dont you,2.,-Ann has gone to Shanghai.,-So _ her parents,.,A has B do C did D have,3.I have watched the game.,-When _ you _ it?,A have watched B do watch C did,watch,D will,watch,B,D,C,4.Mr.Green _ in China since five years ago.,A lived B has lived C lives D is going to live,5.His grandma _ for two years.,A died B has been dead C was dead D has died,6.Where is Han Mei now?,-She _ to Shanghai.She will be back in two days.,A has gone B has been C goes D had gone,7.-_ you,to the United States?,-No,never,but I went to Canada a few years ago.,8.You havent changed your mind,_?,A do you B are you C have you D did you,B,B,A,C,C,A Hasbeen B Hasgone,C Havebeen D Havegone,9.,How long have you _ the football team of the school?A been on B been at C joined D played,10.,-Where have you _ these days?,-I have _ to,Dazhu,with my friends.,A been,gone B been,been,C gone,been D gone,gone,11.,How long have you _ this book?,A bought B borrowed C had D lent,12.,Excuse me,_ you seen the film yet?,-Yes,I _ it last night.,A have,see B have,have seen,C have,seen,D,have,saw,13.,He has never ridden a horse before,_?,A is he B isnt C hasnt D has he,A,B,C,D,D,