Помогите пожалуйста не могу сделать!Безотлагательно не проходите мимо

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