现在完成时详细讲解及练习PPT精选PPT.ppt

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1、关于现在完成时详细讲解及练习PPT第1页，讲稿共36张，创作于星期二I.写出下列动词的过去分词形式写出下列动词的过去分词形式.1.wake _ 2.teach _ 3.sell _4.see _ 5.ride _ 6.pay _7.choose _ 8.throw _ 9.think _10.eat _ 11.drive _ 12.catch _13.bring _ 14.break _15.give _16.get _17.know _ 18.open _19.write _ 20.forget _第2页，讲稿共36张，创作于星期二一、现在完成时的结构：一、现在完成时的结构：（助动词）（助动

2、词）have/has+过去分词过去分词二、现在完成时的用法：二、现在完成时的用法：.“完成法完成法”：表示过去发生或已经完成的某：表示过去发生或已经完成的某一动作对现在造成的影响或结果。一动作对现在造成的影响或结果。标志性词：标志性词：already、never、ever、just、yet、before、so far等。等。.“未完成法未完成法”：表示动作或状态从过去已经开：表示动作或状态从过去已经开始，持续到现在并有可能延续到将来。始，持续到现在并有可能延续到将来。时间状语：时间状语：for一段时间；一段时间；since过去点时间。过去点时间。第3页，讲稿共36张，创作于星期二三、现在完成时

3、的各种句式：三、现在完成时的各种句式：.陈述句：主语陈述句：主语 have/has+过去分词过去分词其他成分。其他成分。.否定句：否定句：主语主语have/has+not+过去分过去分词其他成分。词其他成分。3.一般疑问句：一般疑问句：Have/Has+主语主语过去分词过去分词其他成分？其他成分？第4页，讲稿共36张，创作于星期二四、正确运用四、正确运用have/has been to,have/has gone to,和和have/has been in 三三种结构。种结构。.have/has been to表示表示“过去曾去过某过去曾去过某地地”，但现在已经回来了。，但现在已经回来了。.h

4、ave/has gone to表示表示“已去了某地已去了某地”，现在还没有回来。，现在还没有回来。.have/has been in 表示表示“已在某地（呆了已在某地（呆了多久）多久）”，如果是小地方用，如果是小地方用at代替代替in。第5页，讲稿共36张，创作于星期二四、中考考点：四、中考考点：考点一：考查基本概念考点一：考查基本概念 例如：例如：Both his parents look sad.Maybe they _whats happened to him.knew .have known .must know .will know简析：现在完成时主要强调过去发生的动作对现在简析：现

5、在完成时主要强调过去发生的动作对现在造成的影响，或过去发生的动作还未结束，一直持造成的影响，或过去发生的动作还未结束，一直持续到现在或将来，重点在于对现在的影响。这种考续到现在或将来，重点在于对现在的影响。这种考查难度较大，往往无时间状语，需要从上下文分析、查难度较大，往往无时间状语，需要从上下文分析、推理才行。故上两侧根据上下文分析、推理，正确推理才行。故上两侧根据上下文分析、推理，正确答案是。答案是。第6页，讲稿共36张，创作于星期二考点二：考查时间状语考点二：考查时间状语 例例1.He has _ been to Shanghai,has he?.already .never .ever

6、 .still 例例2.Have you met Mr Li _？.just .ago .before .a moment ago 例例3.The famous writer _ one new book in the past two year.is writing .was writing .wrote .has written例例4.Our country _ a lot so far.Yes.I hope it will be even _.has changed;well .changed;good.has changed;better.changed;better 例例5.Zhao

7、 Lan _already _in this school for two years.was;studying .will;study .has;studied .are;studying 例例6.We _ Xiao Li since she was a little girl.know .had known .have known .knew 例例7.Harry Potter is a very nice film.I_ it twice.will see .have seen .saw .see_B_第7页，讲稿共36张，创作于星期二现在完成时的时间状语现在完成时的时间状语 现在完成时常

8、与现在完成时常与already，just，ever，never，before，yet,recently（近来），（近来），so far，in the past/“last+一段时间一段时间”,for+时时间段或间段或since+过去时间点等时间状语连用。过去时间点等时间状语连用。(2)现在完成时还与现在完成时还与once（一次），（一次），twice（两（两次），次），three times（三次），（三次），several times（几次）等表示重复次数的词语连用。（几次）等表示重复次数的词语连用。第8页，讲稿共36张，创作于星期二考点三：考查与一般过去时的区别考点三：考查与一般过去时的区

9、别 例例1.These farmers have been to the United States.Really?When _ there?.will they go .did they go .do they go .have they gone 例例2._ you _ your homework yet?Yes.I _ it a moment ago.Did;do;finished B.Have;done ;finished.Have;done;have finished .will;do;finish 简析：现在完成时与一般过去时容易混淆，就是因为它们所简析：现在完成时与一般过去时容易

10、混淆，就是因为它们所表示的动作都发生在过去，但二者又有区别：一般过去时表示表示的动作都发生在过去，但二者又有区别：一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作，说话过去某个时间发生的事、存在的状态或经常发生的动作，说话的侧重点在于陈述一件过去的事情，与现在没有关系；现在完的侧重点在于陈述一件过去的事情，与现在没有关系；现在完成时表示与现在有关系的发生在过去的动作，它不与表示过去成时表示与现在有关系的发生在过去的动作，它不与表示过去的时间状语（如的时间状语（如yesterday,last week,a moment ago等）等）连用。故例、的正确答案皆为连用。故例、的正确答案

11、皆为B。BB第9页，讲稿共36张，创作于星期二考点四：考查非延续性动词的用法考点四：考查非延续性动词的用法 例例1.His father _ the Party since 1978.joined .has joined .was in .has been in 例例2.Do you know him well?Sure.We _ friends since ten years ago.were .have been .have become .have made 例例3.How long have you _ here?About two months.been .gone .come .a

12、rrived 例例4.Hurry up!The play _ for ten minutes.has begun .had begun .has been on .began 例例5.His uncle died two years ago.（改变句子，句意不变）（改变句子，句意不变）His uncle has _ _ _ for two years 例例6.Her mother has been a Party member for three years.（同义句）（同义句）Her mother _ the Party three years _.例例7.It _ ten years si

13、nce he left the army.is .has .will .wasDBACbeen deadjoined agoA第10页，讲稿共36张，创作于星期二1.for+Eg.Ihavebeenherefor5weeks.HesstudiedEnglishfor3years.一段时间一段时间第11页，讲稿共36张，创作于星期二2.since+从句(一般过去时)(表示过去某一时间的)时间点时间点Eg.Ihavebeenheresince2000.Ihavebeenheresince5yearsago.IhavebeenheresinceIleftschoolin2000.第12页，讲稿共36

14、张，创作于星期二*It is+一段时间一段时间+since+句子句子(一般过去时间）一般过去时间）=一段时间一段时间+has passed+since+句子句子(一般过去时一般过去时)Eg.ItisfiveyearssinceIjoinedthearmy.=FiveyearshaspassedsinceIjoinedthearmy.第13页，讲稿共36张，创作于星期二 简析：现在完成时中，非延续性动词不能与简析：现在完成时中，非延续性动词不能与for和和since引导的表示一段时间的状语连用，通常是用相应的延续性动词来引导的表示一段时间的状语连用，通常是用相应的延续性动词来代替。常用的非延续性

15、动词及替代形式如下：代替。常用的非延续性动词及替代形式如下：closebe closed,put onwear,openbe open get upbe up,finish/endbe over,losebe lost,marrybe married(to),get to know know fall asleep/go to sleep be asleep(sleep),come/arrivebe here/in,come/get backbe back,go/leave-be away,become be,borrow keep,buyhave,begin/startbe on,diebe

16、 dead,joinbe in/be a m ember of,catch a cold have a cold等，等，第14页，讲稿共36张，创作于星期二 翻翻 译译 练练 习：习：1.1.我买了这块手表五年了。我买了这块手表五年了。2.2.这位老人已经死了十年了。这位老人已经死了十年了。I have bought this watch for five years.I have had this watch for five years/since 5 years ago.The old man has died for ten years.The old man has been dea

17、d for ten years/since 10years ago.WW下一页上一页主菜单第15页，讲稿共36张，创作于星期二 3.3.他已经回来三天了。他已经回来三天了。4.4.自从六点钟他就来这儿了。自从六点钟他就来这儿了。5.5.我离开家乡已十年了。我离开家乡已十年了。He has come back for 3 days.He has been back for 3 days/since 3 days ago.He has come here since 6 oclock.He has been here since 6 oclock.I have left hometown for

18、10 years.I have been away from hometown for 10 years.WWW下一页上一页主菜单第16页，讲稿共36张，创作于星期二练习l自从我来到这正好两天It is just two days since I came hereTwo days has passed since I came here lIt_(be)tenyearssinceI_(finish)middleschool.ishas been finished第17页，讲稿共36张，创作于星期二注意1):对for或since引导的时间状语提问必须用howlong,决不能用when.Eg.I

19、havelivedherefor10years.Howlonghaveyoulivedhere?Shehasstoodheresince2hourago.Howlonghasshestoodhere?第18页，讲稿共36张，创作于星期二注2):短暂性动词不能和for或since引导的时间状语连用,当然也不能用于howlong引导的问句中.Eg.(误)Ihavelefttherefor5years.(正)Ihavebeen awaytherefor5years.第19页，讲稿共36张，创作于星期二短暂性动词与延续动词间的转换第20页，讲稿共36张，创作于星期二5.短暂动词和短暂动词和延续动词转换

20、延续动词转换短暂短暂性性动词动词延延续续性性动词动词becomefinishreturngo/leaveopen/closebegin/startenddiecatch a coldbecome interested inget marriedbebebe overbe overbe backbe backbe away(from)be away(from)be open/be closedbe onbe onbe overbe overbe deadbe deadhave a coldbe interested inbe interested inbe marriedbe married瞬间

21、动瞬间动词词 vs延续动延续动词词第21页，讲稿共36张，创作于星期二瞬瞬间间性性动词动词延延续续性性动词动词put onget upwake upfall asleepjoinarrive/reachwear/be onbe upbe upbebe a awakewakebe asleepbe asleepbe in=be a member ofbe in/atbe in/at第22页，讲稿共36张，创作于星期二练习判断：他到达车站半个小时了He has arrived at the station for half an hour()He has been at the station f

22、or half an hour.He arrived at the station half an hour agoHe _the League since two years ago A.Joined B.has joined C.has been in翻译：这个电影已经放映十五分钟了翻译：这个电影已经放映十五分钟了-The film has been on for fifteen minutes.第23页，讲稿共36张，创作于星期二1.He died 10 years ago.-He _ _ _ for 10 years/since 10 years ago.2.He borrowed t

23、he book 2 weeks ago.-He _ _ the book for 2 weeks.3.He bought the motorbike a month ago.-He _ _ the motorbike for a month.4.He arrived here three days ago.-He _ _ here since three days ago.5.They turned off the light 2 hours ago.-The light _ _ _ for 2 hours.延延续续性性动动词词和和瞬瞬间间性性动动词词之之间间的的转转化化第24页，讲稿共36张

24、，创作于星期二1.He died 10 years ago.-He has been dead for 10 years/since 10 years ago.2.He borrowed the book 2 weeks ago.-He has kept the book for 2 weeks.3.He bought the motorbike a month ago.-He has had the motorbike for a month.4.He arrived here three days ago.-He has been here since three days ago.5.T

25、hey turned on the light 2 hours ago.-The light has been on for 2 hours.延延续续性性动动词词和和瞬瞬间间性性动动词词之之间间的的转转化化(keys)第25页，讲稿共36张，创作于星期二6.He left here 2 years ago.-He _ _ _ from here for 2 years.7.The film began 30 minutes ago.-The film _ _ _ for 30 minutes.8.They opened the door an hour ago.-The door _ _ _

26、for an hour.9.They closed the door an hour ago.-The door _ _ _ for an hour.10.He joined the army last year.-He _ _ a _ for a year.-He _ _ _ the army for a year.-It _ a year _ he joined the army.第26页，讲稿共36张，创作于星期二考点五：考查词组考点五：考查词组have/has been in/to与与have/has gone to的区别的区别 例例1.Miss Green isnt in the o

27、ffice.she_ to the library.has gone .went .will go .has been 例例2.My parents _ Shandong for ten years.have been in .have been to .have gone to .have been 简析：简析：“have/has gone to+地点地点”表示表示“某人去了某人去了某地（还未回来）某地（还未回来）”，指主语所指的人不在这儿。，指主语所指的人不在这儿。“have/has been in+地点地点”表示表示“在某地呆了多长时在某地呆了多长时间间”，常与表示时间的状语连用。，常与

28、表示时间的状语连用。“have/has been to+地点地点”表示表示“曾经去过某地（但现在已不在那儿）。曾经去过某地（但现在已不在那儿）。”故故例例1、2的正确答案皆为的正确答案皆为A。AA第27页，讲稿共36张，创作于星期二III.用用have/has been to,have/has been in或或have/has gone to填空填空1.-Where is your brother?-He _ the shop.Hell be back soon.2.-_ you ever _ America?-Yes,I _ New York twice.3.-Here you are a

29、t last!Where _ you _?-I _ London for two months.-When did you come back,then?-I came back only this morning.第28页，讲稿共36张，创作于星期二4.We _ this class since last week.5.-How long _ you _ China?-Two years.6.-David _ Australia.-Im sure hes already arrived.第29页，讲稿共36张，创作于星期二（一）现在完成时与一般过去时的区别（一）现在完成时与一般过去时的区别现

30、在完成时表示过去发生或已经完成的某现在完成时表示过去发生或已经完成的某一动作对现在产生的影响或结果，强调的一动作对现在产生的影响或结果，强调的是现在的情况。所以它不能和表示过去时是现在的情况。所以它不能和表示过去时间状语连用；而一般过去时只单纯表示过间状语连用；而一般过去时只单纯表示过去的动作或状态，和现在不发生关系，可去的动作或状态，和现在不发生关系，可以和表示过去的时间状语连用。以和表示过去的时间状语连用。第30页，讲稿共36张，创作于星期二He has lived in Beijing since 1999.自自1999年以来他一直住在北京。年以来他一直住在北京。（说明他现在仍然在北京。

31、）（说明他现在仍然在北京。）He lived in Bejing in 1999.在在1999年的时候他在北京住过。年的时候他在北京住过。（现在是否住在北京不知道）（现在是否住在北京不知道）第31页，讲稿共36张，创作于星期二用动词的适当形式填空（注意时态）（注意时态）1.-_ you _your pen?(mend)-Yes,I _.-When_ you _ it?-I _ it yesterday.2.-How do you like the film?-I _(not see)such a moving film before.3.Millies sister _(join)the cl

32、ub last week.So she _(be)in the club for nearly one week.Have mended have did mend mended havent seen joined has been第32页，讲稿共36张，创作于星期二4.My father_(give)up _(smoke).He doesnt _(smoke)now.5.The Green family_(not come)back yet from the cinema.They_(go)to see a film one hour ago.6.You_(not visit)your s

33、on for a long time.has given smoking smoke havent come went havent visited第33页，讲稿共36张，创作于星期二6.She has known Sam_ nine years.(for,never,since)7.They have_arrived.(ever,just,yet)8.Have you_ ridden a horse?(ever,for,yet)9.She has known Fred_ they were at primary school.(already,just,since)10.We have no

34、t completed the project_.(already,for,yet)for just ever since yet第34页，讲稿共36张，创作于星期二II.将下列句子中的动词改为现在完成时将下列句子中的动词改为现在完成时.1.John is drawing a picture.2.I write my name on the4 card.3.Tom blows out the light.4.The cat drinks its milk.5.The tree falls across the road.6.My parents give me a present.John h

35、as drawn a picture.I have written my name on the card.Tom has blown out the light.The cat has drunk its milk.The tree has fallen across the road.My parents have given me a present.第35页，讲稿共36张，创作于星期二单项选择单项选择1.He _ working.A.have just started B.has just startedC.Has just stars 2._ you _ your suitcase yet?A.Do,pack B.did,pack C.Have,packD.Have,packed3.I _ my room already.A.have tidied B.had tidied C.will tidy第36页，讲稿共36张，创作于星期二