C
1. did not have
2. did not dance
3. will graduate
4. have you seen
5. broke
6. began
7. did you hear
8. did you travel
9. did not know
10. will not finish
D
1. What have you been doing (for the last three hours?) - nu are sens doar cu un verb in fata.
2. was taking
3. would have been studying
4. has eaten
5. haven't slept
6. have you watched
7. have not danced
8. has Roger created (problems again?)
9. I have been working
10. I have had (I've had - forma scurta)
