现在完成时（since&for）.ppt

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1、现在完成时,Verbs with for,since or ago,He has lived here for 16 years.他住在这里有十六年了。He has lived here since 16 years ago.他从十六年前起就住在这里了。（以上两个句型常互换使用）He has lived here since 1991.他从1990年起就住在这里了。He has lived here since he was born.他从出生起就住在这里。,for+时间段since+一段时间+ago 表示过去的某一时间点 从句时间段+ago,present perfect tense,sim

2、ple past tense,用for,since,ago填空,Sally has been away from London _ last Saturday.Our school has changed a lot _ the new building was built.Tommy has had this motorcycle _ three years.I have been in Nanjing _ eight years.My parents has been married since twenty years _.My cousin joined the army three

3、months _.,since,since,for,for,ago,ago,T/F,Kitty has left Beijing for two days.Kitty left Beijing two days ago.Kitty has been away from Beijing for two days.,F,T,T,leave 是一个短暂性动词，不能在现在完成时中与持续的时间状语连用。,谈论一个发生在过去的一个点的动作，我们可以在一般过去时中用ago。,如果想表达一个持续的状态，可以把leave变成be away from再用在现在完成时中。,Kitty has bought her

4、purse since last year.Kitty bought her purse a year ago.Kitty has had her purse for a year.,F,T,T,buy是个短暂性动词，不能在现在完成时中与持续的时间状语连用。,谈论一个发生在过去的一个点的动作，我们可以在一般过去时中用ago。,如果想表达一个持续的状态，可以把buy变成have再用在现在完成时中。,延续性动词和终止性动词,*延续性动词表示能够延续的动作，这种动作可以延续下去或产生持久影响。*终止性动词也称非延续性动词、瞬间动词，表示不能延续的动作，这种动作发生后立即结束。,英语中，动词按其动作发

5、生的方式、动作发生过程的长短，可分为延续性动词和终止性动词。,判断下列动词是终止性还是延续性动词,leave arrive study diewait knowjoin dowatch get upteach borrowbegin buy,终止性动词,延续性动词,延续性动词,终止性动词,延续性动词,延续性动词,终止性动词,终止性动词,终止性动词,延续性动词,延续性动词,终止性动词,终止性动词,终止性动词,相信你能行,终止性动词的用法,终止性动词可以用于现在完成时，但不能和表示一段时间的状语连用。如：for+时间段,since+时间点/从句连用,也不能用在how long引导的特殊疑问句。,C

6、onclusion,判断下列句子正确与否1.Tom has bought a watch for a week.2.Tom bought a watch a week ago.3.How long have you come here?4.The film has finished for half an hour.5.Kitty has left Beijing for two days.6.Kitty left Beijing two days ago.,翻译句子,1.这家超市已经开业五年了.The supermarket opened five years ago.我们不能说:The s

7、upermarket has opened for five years.2.他来这儿已经两个小时了。He came here two hours ago.我们不能说:He has come here for two hours.如何表示持续状态？将终止性动词改为相应的状态动词或延续性动词，保留for+时间段,since+时间点/从句.,Conclusion(结论）,Brainstorm,用下列动词造句终止性动词造一般过去时的句子。延续性动词造现在完成时的句子。,终止性动词 延续性动词 终止性动词 延续性动词buy have borrow keepdie be dead open be ope

8、n get married be married fall asleep be alseepleave be away fromstart/begin be onfinish/end/stop be over arrive/come/go be in/at join the army be in the army/been a member of go to school be in school/be a student,Exercise(同义句转换),1）she came to our hometown five years ago.She _our hometown since five

9、 years ago.（2）We got to know each other five years ago.We _ each other for five years.（3）I have had the bike for three months.I _the bike 3 months ago.（4）We got married ten years ago.We_for ten years.,has been in,have known,have been married,bought,Correcting(改错）,1.I have borrowed the book for 3 mon

10、ths.2.My bother has joined the army since he was 18.3.Jack and Tom have lived here since 5years.4.The film has been on since I have come to the cinema.5.When has Mr.Wu come back from Hongkong?,have kept,has been in/been a member of the army,since 5 years ago/for 5 years,came,did,come,（1）I bought thi

11、s dress two years ago I_this dress（2）She borrowed a book from the library yesterday She_a book from the library since yesterday.（3）Uncle Li arrived in Beijing three days ago Uncle Li_Beijing since three days ago（4）My parents got married twenty years ago My parents_for twenty years（5）The rain stopped

12、 five minutes ago The rain_since_,Exercise:True or False(请改正).,(1)He has gone to the cinema since last night.(2)He has seen many great films.(3)My grandfather has died for two years.(4)They have been in Britain since 1998.(5)We have left our school since two years ago.,F,T,F,T,F,He went to the cinem

13、a last night.,My grandfather died two years ago./My grandfather has been dead for two years.,We left our school two years ago./We have been away from our school for two years./We have been away from our school since two years ago.,1.My grandparents has got married for 60 years.2.Kitty has borrowed t

14、his CD for two weeks.3.The conference has stopped since last Tuesday.,gotbeen,borrowedkept,stoppedbeen over,同义句转换,The class was over ten minutes ago.The class _ for ten minutes.His grandpa died in 2003.His grandpa _ since 2003.The exhibition has been on for three days.The exhibition _ three days ago

15、.,has been over,has been dead,started/began,My parents got married 25 years ago.My parents _ since 25 years ago.I bought the MP3 last week.I _ the MP3 for a week.Kitty joined the Reading Club last year.Kitty _ the Reading Club since last year.,have been married,have had,has been a member of,补充,Marti

16、n caught a cold three days ago.Martin has had a cold for three days.She was ill a week ago.She has been ill for a week.Daisy got up ten minutes ago.Daisy has been up for ten minutes.,也可以仍用原短暂性动词，用句型“It is since从句（从句中用一般过去时）”或用“一般过去时+ago”这一结构来表述延续性的动作或状 态。,上一页,下一页,主菜单,电影开始五分钟了。The film has been on fo

17、r five minutes.It is five minutes since the film beganThe film began five minutes ago.他入党五年了。He has been in the Party for five years.It is five years since he joined the Party.He joined the Party five years ago.,下一页,上一页,主菜单,但在否定句中，短暂性动词可以与时间段连用。如：I havent bought the bike for a year.我买这辆自行车还不到一年。She

18、hasnt come here for an hour.她来这儿还没有一个小时。,上一页,下一页,主菜单,汉译英,篮球赛已经开始15分钟了。20分钟前会议就已经结束了。我两年前来到了这个学校。,The basketball match has been on for 15 minutes.,The conference has been over since 20 minutes ago.,I came to this school two years ago.,他离开家已经10年了。她已经到达学校半个小时了。,He has been away from home for ten years.,She has been at the school for half an hour.,Summary(总结）,sum up what we have learnt in this class.,Homework,1.Try to remember the conversion between durational verb and momentary verb(努力记住终止性动词和延续性动词之间的转换。）2.Do exercise on Page 31-32 of 学习与探究。,Thank you!Bye!,