Odpowiedź:
1. We aren't always buy our food in Rakowiecka Street.
2. He isn't shutting the desk.
3. Your task isn't very important.
4. You can't forget about it.
5. Mr Clay's isn't car runs very well.
6. He isn't studying Latin with Miss Crawford.
7. William isn't remembers our old house very well.
8. She can't understand your message.
9. They aren't going to visit our factory.
10. They aren't always give me a cake.
11. You ought to go home. ??
12. He isn't spends a lot on cigarettes. (neg. much)
13. We aren't afraid of mice.
14. She isn't wearing a fine dress,
15. He isn't looking after his son.
Wyjaśnienie:
chyba dobrze, przy jednym chyba brakuje czegos