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1、,Welcome,李建中 恩江中学,Unit 6,How long have you been collecting shells?,When did Yao Ming start playing basketball?,How long has Yao Ming been playing basketball?,Yao Mings sports life,He has been playing basketball ,(1) for 21 years.,(3) since 1989.,(2) since 21 years ago,(4) since he was 9 years old.,成
2、龙（ Jackie Chan ） 1954:be born 1961now: act,(1) for 49 years.,How long has Jackie Chan been acting?,(4) since he was 7 years old.,He has been acting ,(3) Since 1961,(2) Since 49 years ago,Wang Lin 1990 : be born 1999now: play violin,How long has Wang Lin been playing violin?,She has been playing viol
3、in ,(1) for 11 years.,(4) since she was nine.,(2) since 11 years ago.,(3) since 1999,Miss Deng 1975: be born 19982010: teach English,How long have I been teaching English?,You have been teaching English ,(2) since 12 years ago,(4) Since you were 23 years old,(1) for 12 years,(3) Since 1998,Do you kn
4、ow?,I can say,Please say out how long you and your friends have been doing something.,Practice,1b Listen. A report is talking to the participants in a skating marathon. Fill in the below.,Ive been skating for five hours.,I skated for two hours.,1c PAIRWORK Ask and answer questions about the people i
5、n 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. A： B：,时间状语: 1. for +一段时间 2. since +过去的时间点 3. since +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现在不远的时间。其动作是否继续下去，由上下文而定。这个时态多用于延续性动词。,现在完成进行时,构成： have / has been + V.ing +,Summary,Homework,Make a survey about how long your family members have been doing something and give a report next class .,Thank You,