现在完成时讲解PPT课件.ppt

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,*,.,*,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,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,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,2012/11/8,.,*,The Present Perfect tense,present(now),future,past,Present Perfect Tense,现在完成时,2,.,主语,+,have/has,+,过去分词（,pp,）,助动词,无意义,现在完成时的结构,Winter,has,already,come,，,will it still be far in spring?,3,.,主语,+have/has+,过去分词（,pp,）,否定形式,havent(have not,）,+,过去分词,hasnt(has not)+,过去分词,疑问句 把助动词,have/has,放在句首,现在完成时的结构,注：主语若是第三人称单数助动词用,has,4,.,You,have planted,all the trees.,I,have planted,all the trees.,He/she,has planted,all the trees.,They,have planted,all the trees.,区别,have,和,has,的用法,主语若是第三人称单数助动词用,has,5,.,1),表示到现在为止已经完成或刚刚完成的动作。,Now we,have planted,all the trees.,He,has just come,back.,They,have built,many buildings in this city.,现在完成时的,用法,6,.,2),表示过去发生的动作,强调结果或对现在的影响。,Someone has broken the window.(,窗户现在是坏的,),I have,already,lost the key.(,我现在没有钥匙,),I havent read that book,yet,.(,不了解书的内容,),I have,just,cleaned my hands.(,手是干净的,),常与,already(,已经,),yet(,已经,),just(,刚刚,),ever(,曾经,),等词连用,.,already:,常用于肯定句中,.,yet:,常用于否定句,疑问句尾,.,7,.,3),表示从过去开始并持续到现在的动作或状态，常与包括现在在内的一段时间的状语连用。,She has learned English,for,5 years.,He has lived in Beijing,since,5 years ago.,8,.,since:(,自,以来,),1)since+,时间点,Hehasstayedhere,since5oclock,.,2)since+,时间段,+ago,Hehasstayedhere,since5hoursago,.,3)since+,从句,ShehastaughtEnglish,sincehecamehere.,for,:(,长达）,for+,时间段,He has kept the book,for 2 weeks,.,since,for,的用法,:,Take notes,9,.,用,for,或,since,填空,Mr.Brown has had his TV _ 15 years.,Ive taken driving lessons _last month.,My sister has had her cell phone _a month.,My friends havent visited me _few days ago.,We havent used our car _ a long time.,She hasnt had a good cup of coffee _years.,Tom has worn glasses _he was 7 years old.,for,since,forsince,for,for,since,10,.,注：并非所有,for,作为时间状语的句子都用现在完成时,搞清一般过去时和现在完成时的区别,I,worked,here,for more than twenty years,.,(,我现在已经不在这里工作了,),I,have worked,here,for more than twenty years,.,（现在我仍在这里工作）,疑难点,11,.,辨析,have been to,和,have gone to,My father,has gone to,Shanghai for a meeting.,他（已经）去了上海。,My father,has been to,Shanghai for a meeting.,他（曾经）去了上海。,She,has been to,China.,她（曾经）去过中国。（人已经回来了）,have been to someplace.,曾经去过某地，已经回来,has gone to someplace.,某人去了某地，还没有回来,She,has gone to,China last week.,上周她去了上海。（人可能回来了也可能没回来）,12,.,用,have/has been to,have/has gone to,填空：,1.Where is your brother?,He _ the shop.Hell be back soon.,2._ you ever _ to America?,Yes,I _ New York twice.,3.Here you are at last!Where _ you _?,I _ London.,4.David _Australia.,Im sure hes already arrived.,5.Is Benny here?,No,he _ the school library.He left,five minutes ago.,has gone to,Have been to,have been to,have been,have been to,has gone to,has gone to,13,.,9.He _(go)to school on foot every day.,10._ you _(find)your science book yet?,11.If it _(be)fine tomorrow,Ill go with you.,12.The students _(read)English when the teacher came in.,13.Look!The monkey _(climb)the tree.,14.My mother _(come)to see me next Sunday.,15.Ive lost my pen._ you _(see)it anywhere?,goes,have,found,is,were reading,is climbing,is coming,Have,seen,14,.,1.I_ already _(see)the film.I _(see)it last week.,2._ he _(finish)his work today?Not yet.,3.My father _ just _(come)back from work.He is tired now.,4.Wheres Li Ming?He _(go)to the teachers office.,5.I _(work)here since I _(move)here in 1999.,6.So far I _(make)quite a few friends here.,7.How long _ the Wangs _(stay)here?For two weeks.,8.I _ just _(finish)my homework.,have,seen,saw,Has,finished,has,come,has gone,have worked,moved,have made,have,stayed,have,finished,15,.,1.have,seen,saw 2.Has,finished 3.has,come 4.has gone 5.have worked,moved 6.have made 7.have,stayed 8.have,finished 9.goes 10.have,found 11.is 12.were reading 13.is climbing 14.is coming 15.Have,seen,16,.,THE END,17,.,