Odpowiedź:
6. I'm not strong enough to lift this box.
7. Paul isn't as tall as Tom.
8. I may visit you tomorrow.
9. He sings very well.
10. I bought nothing since I started shopping.
11. Everybody was having fun at the party.
12. I don't have much time.
13. I'd help her if I were you.
14. I'm too young to drive.
15. I didn't have to tidy the kichen.
Mam nadzieję, że pomogłam :p