Zadanie 3 i 4 prosze bardzo potrzebne daje najj !!!

zadanie 3
1. can i borrow
2. could you bring
3. may I leave
4. ? (wydaje mi sie ze moze byc po prostu "am afraid"
zadanie 4
1. could
2. couldn't
3. should
4. shouldn't
5 couldn't
6. can
7. can't