2.Here is Mrs. Brown who we have been
speaking about for a long
time.
3. You have been
watching TV too long.
4. He has been
sitting here all the time.
5. Rose! What are you doing here? I have been
waiting for you for hours!
6. I'm sorry, Olga. I have been
trying on these clothes for two hours.
And I have not decided yet.
7. Molly! We have been
sitting here for twenty-five minutes, and I'm not
going to wait any more!
8. Yes, he has been
talking to her since we came in.
9. We have been learning how to play chess
10. What have you been doing to the pet?
Объяснение:
Has been употребляется с He, she, it.
Have been с остальными (I, you, we, they), после добавляется глагол с окончанием -ing