人教版八年级英语下册-Unit-10-I’ve-had-this-bike-for-three-years-Section-A-Grammar-Focus-4c课件

,UNIT 10 SECTION A,Unit 10,Ive had this bike for three years.,人教,版,八,年,级英语下册,Section A,Grammar Focus-4c,Unit 10人教版八年级英语下册Section A Gra,To learn,the usage of,for,and,since.,To use the Grammar Focus sentences to,cre ate,simple conversation.,To review the present perfect tense.,To learn new word:,hometown,Objectives,To learn the usage of for and,Review,Group Work,Youre having a yard sale.What would you do with the money you raise?,Review Group WorkYoure having,人教版八年级英语下册-Unit-10-Ive-had-this-bike-for-three-years-Section-A-Grammar-Focus-4c课件,Present Perfect Tense,现在完成时,表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一段时间状语”连用，如“,for+,时间段,”、“,since+,过去时间点,”、“,since+,过去时的从句,”、“,since+,一段时间,+ago,”,。且,for,与,since,引导的时间状语可以相互转换。,Present Perfect Tense现在完成时表示从过,5,e.g.My uncle has worked at this factory,for,ten,years.,=My uncle has worked at this factory,since,ten,year ago.,Ivelivedhere,since,1990,自从,1990,年以来我就住在这里。,Ihaventseenhim,for,threeyears.,我三年没有看见他了。,e.g.My uncle has worked at th,6,Shesbeenatthisschool,since,five,yearsago.,自从五年前她就在这个学校,。,含,有,for,，,since,的现在完成时的用法歌诀,:,过去的动作或状态,，,一,直持续到现在,，,for,、,since,把时间带。,Shesbeenatthisschools,7,for,与,since,都能与现在完成时连用，但区别较大：,（,1,）,for,后须接“时间段”,e.g.He has studied English for five years.,他学英语,5,年了。,（,2,）,since,后须接“时间点”,e.g.He has studied English since 1999.,他从1999年开始学英语。,for,和,since,在现在完成时中的应用,for与since都能与现在完成时连用，但区别较大：for,（,3,）二,者可以转换,for+,一段时间,=,since+,一段时间,+ago,e.g.He has been here for five weeks.,=,He has been here since five weeks ago.,他到这儿已经有五个星期了。,（,4,）,since,能引导时间状语从,句（主句,用现在,完,成,时，从句用一般过去时,），,而,for,则不能,。,e.g,.He has taught here since he came to China,.,自,从他来到中国就在这儿教书。,（3）二者可以转换 for+一段时间,（,5,）,现在完成时常用句型：,It is(has been)+时间段+since+时间状语或从,句,e.g,.,It,is four days since last Friday.,从,上周五到现在已经四天了。,It,has been two years since Jim came to,Beijing,.,吉,姆来北京已经两年了。,（5）现在完成时常用句型：,This is the first(second)time that+从句,句型中的that从句通常使用现在完成时。,e.g.This is the first time that Jenny and,Danny,have been to China.,这是珍妮和丹妮第一次,来,中,国,。,This is the third time that I have seen,Karen,.,这是我第三次见,到,凯伦,。,This is the first(second)t,（,6,）,均须与延续性动词连用，也可以与非延,续性动词的否定式连用,。,e.g.,I,have had this computer since four years,ago,.,I,havent bought anything for two months.,I,havent heard from him for 3 weeks.,（6）均须与延续性动词连用，也可以与非延,（,7,）,二者引出的时间状语往往用,how,long,提问,。,e.g,.,How,long have you had this book?,For,a week./Since a week ago.,这,本书你买多久了,?,买,一周了。,（7）二者引出的时间状语往往用 how,1.,转换为相应的延续性动词，用于现在完成时。,borrow keep buy have,put on wear,catch a cold have a cold,get to know know,get to sleep sleep,非延续性动词和延续性动词之间的转换,1.转换为相应的延续性动词，用于现在完成时。非延续性动词和延,14,2.,转化为“,be+,形容词,/,副词,/,介词,/,名词”,begin/start be on,go out be out,close be closed,open be open,get to/arrive/reach be(in),die be dead,leave be away,2.转化为“be+形容词/副词/介词/名词”,15,finish be over,fall asleep be asleep,join be in/be a member of,become be,make friends be friends,come/go/be+,相应的介词短语,finish be over,16,The,old man died 4 years ago.,The old man has been dead for 4 years.,It,is 4 years since the old,man died,.,Four,years has passed since the old man died.,He,joined the Party 2 years ago.,He,has been in the Party for 2 years.,I,bought the book 5 days ago.,I,have had the book for 5 days.,e.g.,The old man died 4 years,I.,选,择for或,since,填,空,。,1.I,have been here,_ five,months ago.,2.He has been a soldier,_,about two months.,3.Great changes have taken place _ you left.,4.His grandpa has been dead,_,ten years.,5.I have studied English _,_,I,was 12 years old,.,6.It is two years,_,I became a,postgraduate,student.,since,for,since,for,since,since,Exercises,I.选择for或since填空。sinceforsincef,1.She _ this book for nearly three weeks.,A.has borrowed B.has lent,C.has bought D.has kept,2.Ten years has passed _ the CCTV event People Who Moved China took place in 2002.,A.when B.while C.before D.since,II.,单,项选择。,1.She _ this book for n,19,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,How long have you had that bik,Jim is in Japan.He arrived there three days ago.,_,2.They are very hungry.Their last meal was ten hours ago.,_,Rewrite,the sentences using,for,or,since,.,Jim has been in Japan for three days.,They havent eaten for ten hours.,4,a,Jim is in Japan.He arrived th,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 Anna for three,years.,Linda has been ill since,Monday.,3.I have a camera.I bought i,1.,I,_,_,_,(never be)to the water,park before.Iwant,to,_,(go)next,month,before,the,weather,gets too cold.,2.They,_,(,never own),any pets,but,they,_,(,always want),to,have a dog,.,3.We_(have)a piano since,last,Fill in the blanks with the correct forms of the verbs in brackets.,have never been,go,have never owned,have always wanted,have had,4b,1.I _(never,November,.,We,_