1. I have been looking through the articles since 6 o'clock

2. He has been playing football since his childhood

3. He has been talking on the phone for an hour

4. How long have you been studying English? - I have been studying this language for 3 years

5. They have been discussing this question for an hour and a half

6. Have the children been watching TV set for four years

7. He has been thinking about her for all the day

8. How long has she been waiting for a bus? - She has been waiting for it for a quarter of an hour

9. We have been discussing the plan of work since five o'clock

10. What time have you been working at the library since? - I have been working here since the morning

11. The guys gave been arguing for twenty minutes

12. How long have the children been playing outside? - They have been playing since ten a.m.

13. It has been raining since the morning today

14. She has been living in London for 10 years

15. Which of your workers has been working at the plant since 1970 year?