1. We have known each other for 20 years.
2. My friends have been studying English for 4 years.
3. Have you learnt these verbs?
4. We have never been to Japan but we have always wanted to visit it.
5. He has been riding a bicycle the whole evening!
6. Anna hasn't worked well recently. /Anna has worked rather bad recently.
7. She hasn't been writing poems for 3 years, but she has written many poems for her life.
8. Why are you so dirty? I has played with Rex in the garden.
9. How long have you been waiting for Masha?