2. Unit 6 How long have you been collecting shells? collect v. 收集；搜集 shell n. 贝壳；壳

3. Yao Ming’s sports life 1980 was born 1989 started playing basketball has been playing 19 years 2008 plays He started playing basketball in 1989. When did Yao Ming start playing basketball? How long has Yao Ming been playing basketball? He has been playing basketball since 1989. He has been playing basketball for 19 years.

4. Jackie Chan 1954:b e born 1961~now: act He has been acting for 47years. How long has Jackie Chan been acting? When did Jackie Chan start acting? He started acting in 1961. He has been acting since 1961. He has been acting since he was 7 years old.

5. Miss Li 1975: be born 2001~2008:teach Chinese She has been teaching Chinese for 7 years. She has been teaching Chinese since 2001. When did Miss Li start teaching Chinese? She started teaching Chinese in 2001. How long has Miss Li been teaching Chinese?

6. Wang Lei 1990 : be born 1999~now: learn English How long has Wang Lei been learning English? She has been learning English since1999. She has been learning English for 9 years. She has been learning English since she was nine.

7. Deng Yaping 1973: be born 1978 ~ 1997: play table tennis How long did Deng Yaping play table tennis ? She played table tennis for 19 years.

8. 1978 1997 2008 started playing table tennisstopped playing 19892008 has been playing basketball started playing basketball Deng Yaping played table tennis for 19 years. Yao Ming has been playing basketball for 19years. played table tennis

10. How long? Alison I’ve been skating for five hours. Sam I skated for four hours. Victor Celia Listening1b I’ve been skating for five hours. I skated for two hours.

11. （一）现在完成进行时构成形式： have / has 是助动词 been 是 be 的过去分词 当我们谈论动作从过去某一时间开始一直延 续到现在, 并且有可能持续下去时. have / has been + V-ing

12. 我们常常用以下句型来表示 : for + 一段时间 have / has been + doing sth + since + 过去的时间点 since + 从句 ( 一般过去时 ) eg. I have been swimming for 3 years. He has been skating since nine o’clock. She has been learning English since she was nine. 现在完成进行时

13. Please say out how long you and your family have been doing something.

15. 汉译英 5. 他生于何时 ? 他生于 1954 年. 他什么时候开始表演 ? 他在 1961 年就开始表 演. When was he born? He was born in 1954. When did he start acting? He started acting in 1961.

16. 汉译英 1. 他们学汉语五年了. 2. 他自 1981 年以来就住在这里. 3. 他做家庭作业两个小时了. 4.Jackie Chan 表演了多久 ? They have been learning Chinese for five years. He has been living here since 1981. He has been doing homework for two hours. How long has Jackie Chan been acting? He has been acting for 46 years. 他表演了 46 年了.

17. （二）引导时间的介词 for 与 since 的区别 for since 表示时间的持续 for + 时间段 表示 “ 自从过去某 一时间点以来 ” since + 时间点 强调一段时间 强调动作或状态 一直延续到现在 ( for 与 since 引导的短语用 how long 提问 ) for a year for four weeks for ten days since last year since two weeks ago since he came.

18. 用 for 和 since 填空 1.They have been learning Chinese _____ they came to China. 2. I haven’t seen her _____ a long time. 3. He has been living here _____ 2001. 4. She has been doing her homework ____ two hours. 5. It’s 5 years _____ we left school. 6. – How long has Mary been a teacher? – _____ two years ago. since for since for since Since