Краткое пояснение: В этом упражнении нам нужно использовать Present Perfect Continuous, чтобы показать, как долго длится действие, начавшееся в прошлом и продолжающееся до сих пор.
Ответ:
- 1. She has been living with us since then.
- 2. How long have the children been playing?
- 3. He is tired. He has been digging all day.
- 4. She has been teaching at this school for twenty years.
- 5. He has been making experiments for a year.
- 6. What have you been doing with yourself lately?
- 7. I think she has been telling lies as usual.
- 8. I have been asking myself that question for many years.
- 9. You have been following me since the very moment I left the house.
- 10. We have been helping our librarian to put the books in the right order for three days.
- 11. He says he has been working for a long time without achieving good results.