人教八下Unit10i'vehadthisbikeforthreeyears(GrammarFocus-4c)（共15张PPT）.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,2018-6-3,#,Section A(,Grammar focus-4c,),Unit 10 Ive had this bike for three years.,How long have you had that bike over there?,Ive had it,for,three years.,How long has his son owned the train and railway set?,Hes owned it,since,his fourth birthday.,Have you ever played football?,Yes,I did when I was little,but I havent played,for,a while now.,Grammar Focus,Tip 2:underline the key points.,Tip1:circle the time.,Tip 3,：区别现在完成时和过去式,1.,现在完成时动词,构成：,have,/has+v,过去分词,助动词,否定,havent,hasnt,疑问,Have you?,Has he?,(1),常,与下列时间状语连用：,just,already,yet,ever,never,before,several times,Revision,have/has,(2),常与下列时间状语连用：,for,或,since,引起的一段时间状语连用。,for three years,，,since I was four years,since 1999,现在完成时的用法,1.,过去发生的动作对现在造成的影响或结果。和,already,，,never,ever,just,before,yet,等状语连用。,2.,过去已经开始，持续到现在的动作或状态，,常与,for,或,since,引起的一段时间状语连用。,I have just had my breakfast.,(,现在我不饿,),I have lived here for three years.,I have lived here since 2004/three years ago.,Revision,(1),.,for,+,表示,一段,时间的短语,(2).,since,+,表示,过去时间点,的词语,(3).,since,+,表示过去时间的时间状语,从句,eg.I have been a teacher _ a year.,He has been at this school _ 1992.,We have learned 1,000 English words _ we came to this school.,for,since,since,现在完成时句中常见的时间状语,A.,表示从过去一直持续到现在,不能是具体,的过去时间。,Revision,ever,just,already,yet,e.g.Have you _been to Japan?,I have,_,finished my homework.,I have finished my homework,_,.,I havent finished my homework,_,.,B.just,already,yet,before/ever,never,有此,类副词时,常强调动作完成,不强调动作的持续,.,Revision,短暂性,(,短语,),动词与延续性短语,),动词和,与表示状态的短语之间的转化,1.,有些短暂性,(,短语,),动词可转化为相应的延续性,(,短语,),动词。常见的有：,becomebe,（成为）,borrowkeep,（保管）,buyhave/own,（购买）,catch a coldhave a,cold,（感冒）,comestay,（来，停留）,put,on,wear,（穿着）,go to sleepsleep,（睡觉）,move tolive,in,（搬到）,2.,有些短暂性,(,短语,),动词可转化为表示状态的短语。常见的有：,leavebe away,（离开）,begin/startbe,on,（开始）,diebe dead,（死亡）,finishbe,over,（结束）,joinbe in/be a member,of,（加入）,fall asleepbe asleep,（睡觉）,marrybe married,（结婚）,come/arrive herebe,here,（来到，到达这儿）,巧记瞬间性动词的转换：,开始,离去借来还,，,出生,入,死,买,到,家,，,穿衣,入睡,要,感冒,，,开开,关关,变,结束,。,1 begin,be,on,6,return,be,back,2 leave,be,away from,7,join,be,in,3,go,be,off,8,die,be,dead,4borrow,keep,9,buy,have,5,come,be,here,10,arrive,be,here,10,reach,be,here,11 put on,wear,12 fall asleep,be,asleep,13 catch a cold,have a cold,14 open,be,open,15 close,be,closed,16 become,be,17 end/finish,be,over,4a,Rewrite the sentences using,for,or,since,.,Jim is in Japan.He arrived there three days ago.,2,.They are very hungry.Their last meal was ten hours ago.,They have been hungry for ten,hours/since,ten hours ago.,Jim has been in Japan for three years.,3.I have a camera.I bought it in 2009.,4,.I know Anna.I first met her three years,ago,.,5,.Linda is ill.She became ill on Monday.,I have had a camera since 2009.,I have known Ann for three,years/since,three years ago.,Linda has been ill since Monday.,Tip1,：,review the usage of“for”and since,长达三年，自从三年前以来,4b,Tip 2,：,Fill,in the blanks with the correct forms of the verbs in brackets.,1.I _(never be)to the,water park before.I want to _(go),next month before the weather gets too,cold.,2,.They _(never own,),any pets,but they _,(,always want)to have a dog.,have never been,go,have never owned,have always wanted,3.We,_(have),a piano since last,November,.We _(buy)it from the,Li,family when they moved to the US last year.,4,.Cathy and Amy not be)back to their hometown for two,years,.They _(miss)their hometown,a,lot and hope to visit the place next year.,5,.This museum _(be)here for over,20,years.It _(be)one of the oldest,buildings in this small town.,have,had,bought,have not been/havent been,miss,has been,is,Tip 1,：,predict the answers,show the reasons.,4c,Fill in the questions and ask two students.Then complete the chart.,1.Do you have a(n)_?How long have you had it?,2.Do you own a(n)_?How long have you owned it?,Things,How long,Tony,favorite book,for two years,basketball,since he was 10 years old,Student 1,Student 2,练习题,:Its a long time since we _(meet)last,isnt it?,2.-I know you _(choose)a picture book among these.,-Yes,Have a look at it,please.,3.So far,spaceships without people _(reach),the moon and some other parts of the universe.,4.My father_ home for nearly three weeks.A.has gone away from B.has leftC.has been away from D.went away,5.Mr.and Mrs.Green have_ in China for a week.A.been B.got C.arrived D.reached,met,have chosen,have reached,C,A,Exercises,1.To learn the usage of,for,and,since.,2.To use the Grammar Focus sentences,to create simple conversation.,3.To review the present perfect tense.,4.To learn new words.,Summary,1.Review Grammar.,2.Finish the exercises in,the workbook,.,Homework,