Odpowiedź:
2.
1. I have sold...
2. The children have done...
3. My sister has bought...
4. Jo has played...
5. You have found...
6. We have broken...
7. My grandparents have given...
8. It has been...
3.
1. The children haven't done their homework.
2. My sister hasn't bought a new printer.
3. Jo hasn't played the new video game.
4. You haven't found a great website about video games.
5. We haven't broken our friend's laptop.
6. My grandparents haven't given me a new smartphone.
7. It hasn't been a really good day.
