1. Victor has been working for 1,5 hours. 2. Robert has been watching TV for 2,5 hours. 3. Mr Cook has been fishing for 3 hours. 4. Jenny has beeb decorating the hall for 0,5 hour. 5. Wendy has been making a dress for 0,5 hour. 6. The boys have been running for 0,5 hour. 7. The Morgans have been driving for 1,5 hours. 8. The children have been playing football for an hour. 9. Jim has been shopping for 0,5 hour. 10. I have been waiting for you for 0,5 hour.