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1、Unit 6How long have you been collecting shells?When did Yao Ming start playing basketball?How long has Yao Ming been playing basketball?Yao Mings sports life1980was born1989started playing basketballhas been playing16 yearsHe started playing basketball in 1989.He has been playing basketball since 19
2、89.He has been playing basketball for 18 years.2007plays成龙（成龙（Jackie Chan）1954:be born1961now:actHe has been acting for 46 years.How long has Jackie Chan been acting?He has been acting since he was 7 years old.He has been acting since 1961.Miss Li1975:be born20012007:teach ChineseHow long has Miss L
3、i been teaching Chinese?She has been teaching Chinese for 6 years.She has been teaching Chinese since 2001.She has been teaching Chinese since 4 years ago.Wang Lei1990:be born 1999now:learn English How long has Wang Lei been learning English?She has been learning English since1999.She has been learn
4、ing English for 6 years.She has been learning English since she was nine.She has been learning English since 6 years ago.Please say out how long you and your family have been doing something.PracticeWhoHow longmy mother She has been teaching English for15 years.1c PAIRWORKAsk and answer questions ab
5、out the people in the picture.A:How long has Alison been skating?B:Shes been skating for five hours.A:How long did Sam skate?B:He skated for four hours.时间状语时间状语:1.for+一段时间一段时间 2.since+过去的时间点过去的时间点 3.since+一般过去时的句子一般过去时的句子 表示动作从过去某一时间开始一直延续到现在或离表示动作从过去某一时间开始一直延续到现在或离现在不远的时间。其动作是否继续下去，由上下文而定。现在不远的时间。其
6、动作是否继续下去，由上下文而定。这个时态多用于延续性动词。这个时态多用于延续性动词。现在完成进行时现在完成进行时构成：构成：have/has been+V.ing+Deng Yaping 1973:be born1978 1997:play table tennisHow long did Deng Yaping play table tennis?She played table tennis for 19 years.1978 19972007started playing table tennisstopped playing19892007 has been playing baske
7、tballstarted playing basketballDeng Yaping played table tennis for 19 years.Yao Ming has been playing basketball for 18 years.played table tennisGROUPWORK Make a survey,interview your classmates.Ask them what sports they play.What sport do you play?When did you start swimming?How long have you been
8、skating?NameSportWhen started How longLi Yingbasketball10 years old5 years1b Listen.A report is talking to the participants in a skating marathon.Fill in the below.How long?AlisonIve been skating for five hours.SamI skated for four hours.VictorCeliaIve been skating for five hours.I skated for two ho
9、urs.Section B 2bvGirl1:How long have you been collectingthese kites,Bob?vBob:Since I was ten years old.vGirl1:How many do you have?vB:oh,I have about 22 so far.vGirl1:Where do you fly them?vB:I usually fly them in the park when its windy.Boy2:Wow,Marcia.Are these stuffed animals all yours?Marcia:Yes
10、,Ive been collecting them for five years.Boy2:How many do you have?Marcia:Well,I have about 35.Boy2:Which ones do you like best?Marcia:I like the panda best hes so cute!And I also like the tiger.My mother gave me that one.Girl3:What do collect,Liam?Liam:I collect theater and movie tickets.Girl3:So how long have you been collecting them?Liam:Since last year.Girl3:How many do you have?Liam:I have 20.i put them in this book and write if I liked the show or movie.Girl3:Looks like an interesting collection.ThankThankyouyou