Present Perfect Continuous =

Утверждение: действующее лицо + has/have been + глагол с окончанием -ing;

Отрицание: действ. лицо + hasn't (has not)/haven't (have not) been + глагол с окончанием -ing;

Вопрос: has/have + действ. лицо + been + глагол с окончанием -ing.

Ответ:

1. has been cycling

2. Have you been driving

3. hasn't been driving

4. Has he been selling

5. have been sitting

6. Have you been working

7. have been repairing

8. has been waiting

9. has been looking

10. has been playing