Zad.1
1.could
2.couldn't
3.could
4.can
5.couldn't
6.can't
Zad.2
1.Maria doesn't have to go to school tomorrow because it's Sunday.
2.You mustn't take photos in the museum.
3.They must wear a helmet at work.
4.You have to talk to your sister.
5.Peter has to eat more fruit and vegetables.The doctor said so.
Zad.3
1.shouldn't
2.should
3.shouldn't
4.should
Zad.4
1.should
2.have to
3.can
4.don't have to
5.can't
