a. 1. How long have they been together?
2. I’ve been studying English for two years.
3. He hasn’t been feeling very well recently.
4. You’ve been reading that book for months!
5. Have you waiting a long time?
6. We haven’t spending much time together.
7. How long have she been live there?
8. I’ve been renting this flat for three years.
9. The lift hasn’t been working at 10 o’clock.
10. Has been she working here for a long time?
Մարկ Հովհաննիսյանի բլոգ 