2. 璜田中心学校：方金炳

4. Did you sleep well last night? What time did you go to bed ? What time did you get up this morning? How long did you sleep last night? I slept for…

5. ·When did you start class today? ·What’s the time now? ·Are you still having class now? -I have been in class for … · How long have you been in class today?

6. A: How long did you sleep last night? B: I slept for … A: When did you start class today? B: I started class at … A: How long have you been in class today? B: I have been in class for …

7. shells collectshells I like collecting shells. a shell

8. a stamp collectstamps I like collecting stamps. stamps

9. a marathon They are running a marathon.

10. raising money for charity. They are raising money for charity. raise money for charity

11. a skate a pair of skates She is skating. She is a skater.

12. How long has she been playing computer? (four hours) She has been playing computer for four hours.

13. How long has he been playing baseball? (two hours) He has been playing baseball for two hours.

14. How long have they been working?(a week) They have been working for a week.

15. How long has he been riding a motorcycle? (ten hours) He has been riding it for ten hours.

16. A: How long have you been playing soccer? B: I’ve been playing soccer for two hours. have been Now:3:00pm Start: 1:00pm I like playing soccer I started playing soccer at 1:00 pm. I’m still playing soccer now.

17. I started teaching English in 1987. I am still teaching English now. How long have you been teaching English? I have been teaching English for 25 years. I have been teaching since 1987 I have been teaching since 25 years ago I have been teaching English since I was 22 years ago.

18. have / has 是助动词 been 是 be 的过去分词 表示从过去开始一直持续到现在的动作， 并有可能持续下去． 时态－现在完成进行时 （一） 构成形式： have / has been + V-ing 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 )

19. 与过去时的比较： 1.I watched TV for three hours. 我看了三小时 的电视．（我现在没有看电视了） 2.I have been watching TV for three hours. 我看了三小时的电视（我现在仍然在看电视）

20. 例句 1 我已经学了５年的英语了． I have been learning English for 5 years. 例句 2 他已经集邮 10 年了． He has been collecting stamps for 10 years. He has been collecting stamps since 10 years ago. He has been collecting stamps since 2002. 画线部分提问： How long has he been collecting stamps?

21. （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 )

22. 时间状语 for 与 since 引导的短语 for five minutes ten days five years since May 1, 2003 8:00 he was seven years old seven years ago

23. 成龙（ Jackie Chan ） was born: 1954 act: 1961~ now He has been acting for 51 years. How long has Jackie Chan been acting? He has been acting since he was 7 years old. He has been acting since 1961.

24. 姚明 was born: 1980 Playing basketball: 1989~ now How long has he been playing basketball? He has been playing basketball since 1989. He has been playing basketball for 22 years. He has been playing basketball since she was 9. He has been playing basketball since 22 years ago.

25. Linda/30 minutes Harry/45 minutes Alice 4 hours Alan / 3 hours 2 years 1 hour A:How long has he/she been ………? B: He /she’s been ……. for …………

26. 1b.Listen. A reporter is talking to the participants in a skating marathon. Fill in the chart below.

27. How long? AlisonI’ve been skating for five hours. SamI skated for four hours. Victor Celia I’ve been skating for five hours. I skated for two hours.

28. Pairwork A: How long has Alison been skating? B: She’s been skating for five hours. A: How long did Sam skate? B: He skated for four hours.

29. 2a Listen to the interview with the skating marathon winner and check the questions you hear. QuestionsAnswers 1. How long did you skate today? a. No, I skated in a marathon last year. 2. How long have you been skating today? b. Yes, I do. 3. Was this your first skating marathon? c. For six hours. 4. Do you skate every day? 5. When did you get your first pair of skates? d. Since I was seven years old. 6. How long have you been skating?

30. 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

31. I. Write the questions: 1_____________________________________ He has been standing there for four hours. 2_____________________________________ I have been riding a bike since I was ten years old. 3____________________________________________ She has been walking for five hours. 4.____________________________________ I’ve been watching TV since 7:00. 5.____________________________________ He’s been waiting for the train for an hour.

32. Thank you for listening!