人教版-八年级英语-下册-unit10-I've-had-this-bike-for-three课件.ppt

1、Section A 4a-4cSection A 4a-4c1.My best friend Tom is _ honest boy.You can believe him.A.a B.an C.the D./2.Is Mr.Smith still in Shanghai?Yes,he _ there for two months.A.has been B.has gone C.has been to D.has gone toHow long have you had that bike over there?Ive had it for three years.How long has h

2、is 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 Focusfor 和和 since 在现在完成时中的应用在现在完成时中的应用for与与since都能与现在完成时连用，但区别较大：都能与现在完成时连用，但区别较大：（1）for后须接后须接“时间段时间段”He has studied Eng

3、lish for five years.（2）since后须接后须接“时间点时间点”He has studied English since 1999.（3）二者可以转换）二者可以转换 for+一段时间一段时间=since+一段时间一段时间+ago He has been here for five weeks.=He has been here since five weeks ago.e.g.My uncle has worked at this factory for ten years.=My uncle has worked at this factory since ten yea

4、r ago.Ive lived here since 1990=Ive lived here for 24 years.I havent seen him for three years.=I havent seen him since three years ago.如：如：He has taught here since he came to China.We have been friends since we met in school.(4)since能引导时间状语从句能引导时间状语从句(主句用现在完主句用现在完成时，从句用一般过去时成时，从句用一般过去时)，而，而for则不能。则不

5、能。（5）现在完成时常用句型：现在完成时常用句型：It is(has been)+时间段时间段+since+时间状语或时间状语或从句从句It is four days since last Friday.It has been two years since Jim came to Beijing.This is the first(second)time that+从句从句 句型中的句型中的that从句通常使用现在完成时。从句通常使用现在完成时。如如：This is the first time that Jenny and Danny have been to China.这是珍妮和丹妮第

6、一次来屮国。这是珍妮和丹妮第一次来屮国。This is the third time that I have seen Karen.这是我第三次见到这是我第三次见到Karen。（6）均须与延续性动词连用，也可以与非延）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。续性动词的否定式连用。如如:I have bought this computer since four years ago.()I have had this computer since four years ago.()I havent bought anything for two months.()I haven

7、t heard from him for 3 weeks.()1.转换为相应的延续性动词，用于现在完转换为相应的延续性动词，用于现在完成时。成时。borrow buy put on catch a cold get to know get to sleep keephavewearhave a coldknowsleep2.转化为转化为“be+形容词形容词/副词副词/介词介词/名词名词”begin/start go out close open get to/arrive/reach die leave be onbe outbe closedbe openbe inbe deadbe awa

8、yfinish fall sleep join become make friends come/go/be overbe asleepbe in/be a member ofbebe friendsbe+prep.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.be

9、fore D.since4aRewrite the sentences using for or since.1.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 kn

10、ow 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.4bFill in the blanks with the correct forms of the verbs in brackets.1.I _(never be)to the water park

11、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 beengohave never ownedalways want3.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 _(

12、not be)back to their hometown for two years.They _(miss)their hometown a lot and hope to visit the place next year.have hadboughthavent beenmiss5.This museum _(be)here for over 20 years.It _(be)one of the oldest buildings in this small town.has beenis4cFill in the questions and ask two students.Then

13、 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?ThingsHow longTonyfavorite book basketballfor two yearssince he was 10 years oldstudent1Student2选择选择for或或since填空：填空：1.I have been here _five months ago.2.He has been a soldier _ about two m

14、onths.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.sinceforsinceforsincesince练习题练习题:1.Its a long time since we _(meet)last,isnt it?2.-I know you _(choose)a picture

15、 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 methave chosenhave reachedCA1.Copy and recite the new words and phrases on Pages 73-76.2.Finish 4b in your exercise book.3.Finish the workbook in Section A 4a-4c.