现在完成时语法小结.ppt
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1、现在完成时的用法现在完成时的用法1.现在完成时表示过去某时发生的行为对主语现在完成时表示过去某时发生的行为对主语 目前产生的影响目前产生的影响,强调现在强调现在。He has just gone to Shanghai.他已经去了上海。(结果:他已不在这儿)他已经去了上海。(结果:他已不在这儿)区别一般过去时区别一般过去时:强调强调发生在发生在过去过去的某一动作或状的某一动作或状态态,常与过去具体时间连用常与过去具体时间连用.)We have already finished the work.We finished the work 5 days ago.(过去的动作)过去的动作)常用的标志
2、词:常用的标志词:already,yet,just,ever,never,before,once,twice,three times,so far 1.A World Without Thieves is a very moving film.I _it twice already.A.will see B.see C.had see D.have seen2.Someone _ the classroom.Look!How clean it is!A.has swept B.will sweep C.is sweeping D.had swept3.My postcard is still
3、on the desk.Why _you _it?A.havent,posted B.dont,post C.werent posting D.wont,post 4.Hes invited many of his friends to join the Summer Camp,_he?A.is B.has C.isnt D.hasnt 5.-We need some more bread for dinner.-Dont worry.Look,I _ some on my way home.A.bought B.have bought C.will buy D.had bought 6.Sh
4、e _ to Shanghai twice last year.A.has been B.has gone C.went D.had gone2、表示过去开始一直延续到现在的、表示过去开始一直延续到现在的动作或状态动作或状态(使用持续性动作使用持续性动作状态状态)。I have been a student in this school.He has been in the city for 10 years.They have worked here since 1997.3.常用的标志词:常用的标志词:since,for,how long,in the past/last few year
5、s,all his life,recently,over the years,since then,ever since结束性动词结束性动词持续性动词持续性动词buy-_ borrow-_ die-_join-_become a member of-_ become-_go to/come to-_ leave-_start/begin-_ finish/end-_arrive in/get to/reach-_return-_open-_close-_catch a cold-_ fall asleep-_get up_ wake up_get married/marry-_havekeep
6、be dead be in/be a member of/be a memberbe a member ofbebe inbe away(from)be onbe overbe inbe openbe closedhave a coldbe asleepbe upbe awakebe marriedbebe back注意句型注意句型1.Its+一段时间一段时间+since+句子(一般过去时)句子(一般过去时)自从自从到现在已经多长时间了到现在已经多长时间了eg.Its three years since we studied in this school.=It has been three
7、years since we studied in this school.=Three years has passed since we studied in this school.2.for,since 以及以及How long 提问的句子,提问的句子,只能与延续性动词只能与延续性动词使用,使用,不与短暂性动词连用。不与短暂性动词连用。eg.I have had this dictionary for many years.He has been dead since 2005.How long can I keep this book?3.I havent bought anythi
8、ng for three weeks.否定句中可以用短暂性动词和时间段连用否定句中可以用短暂性动词和时间段连用.吉姆买了这只钢笔两年了。吉姆买了这只钢笔两年了。Jim has had this pen for two years.Jim has had this pen since two years ago./since 2009 It is/has been two years since Jim bought this pen.Two years has passed since Jim bought this pen.Jim bought this pen two years ago.
9、1.Tom _ there for 10 months since he _back to his hometown.A.has lived,gets B.has lived,got C.lived,got D.lived,has got 2.My father _ on business for two weeks.Hell return in 3 days.A.left B.has left C.had gone D.has been away 3.-They say there is a new restaurant nearby.-Yes,and it _ for no more th
10、an a week.A.has been open B.opens C.is opening D.is opened 4.-How long have Mr.and Mrs.Smith _?-For more than twenty years.A.married B.had married C.got married D.been married 5.I want to know how long _ here in New York.A.you have been B.have you been C.you have arrived D.have you get 6.-Oh,Mrs Kin
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