Răspuns:
1. How long have you been studying English?
2. Oh, David! I have been looking for you!
3. Pat has been living here for the past twenty-five years.
4. I'm tired. We have been walking all day.
5. How long have you been learning to drive?
7. I have been waiting here for ages.
8. She's bad-tempered because she has been working too hard.
9. They have been watching football since three o'clock.
10. Why you've been seeing your parents so much recently?
11. The children look exhausted. What they have been doing?
12.She should pass the exam. She has been studying for weeks.
13. Your mother sends her love. I have been just speaking to her on the phone.
14.I have been working here since I was eighteen.