Общий: 1. Have we been flying for 5 hours already?
Специальные: 2. Who has been flying for 5 hours already? 3. When have we been flying for 5 hours already? 4. Where (to) have we been flying for 5 hours already? 5. Why have we been flying for 5 hours already? 6. How long have we been flying ? 7. How far have we been flying for 5 hours already? 8. What have we been doing for 5 hours already?
Tag question: 9. We have been flying for 5 hours already, haven't we?
Alternative question: 10. Have we been flying for 5 or for 7 hours already?
1. Have we been flying for 5 hours already?
Специальные:
2. Who has been flying for 5 hours already?
3. When have we been flying for 5 hours already?
4. Where (to) have we been flying for 5 hours already?
5. Why have we been flying for 5 hours already?
6. How long have we been flying ?
7. How far have we been flying for 5 hours already?
8. What have we been doing for 5 hours already?
Tag question:
9. We have been flying for 5 hours already, haven't we?
Alternative question:
10. Have we been flying for 5 or for 7 hours already?