1. It  has been raining for hours.

2. Mike has been collecting stamps since 1995.

3. Bob has been playing tennis since he was seven.

4. I have been waiting for the bus for 15 minutes.

5. How long has your brother been playing guitar?

6. How long has he been playing golf?

7. I have been working for this company for seventeen years.

8. How long has it been raining?

9. Mary has been studying German for two years.

10. My grandparents have been living in that house since 1962.

11. My mother has been cooking for 3 hours.

12. My sister has been driving since 1972.

13. Peter has been living in India since last month.

14. How long have you been working in the garden?

15. They have been lying in the sun for hours.

1 has been playing

2 have you been working

3 has been learning

4 have been travelling

5 has been wearing

6 have you been studying

7 have been waiting

8 has been watching

9 has been speaking

10 has he been waiting

11 has been reading

12 has been watching

13 has been working

14 have been reading

15 has been practising