· Obligation and prohibition
- have to- nakazy 'prawne'
- must- nakazy 'osobiste'
- have to, must – musieć
- don't have to – nie musieć
- musn't – nie wolno
-> must – nie ma formy przeszłej, zamiast tego używa się had to
-> have to odmienia się przez różne czasy, a więc dla he-she-it w Present Simple występuje forma has to itd.
- twierdzenia: S + have to/ must + V1 +xxx, np. My brother has to wear a uniform at work.
- przeczenia: S + don't have to/ doesn't have to/ mustn't + V1+ xxx, np. His sister doesn't have to do homework at the weekend.
- pytania: Do/does + S + have/has to + V1+xxx?
Must + S + V1 + xxx? ,np. Do we have to make a cake?
-krótkie odpowiedzi: Yes, we do. No, we don't. Yes, she must. No, she mustn't.
· Advice
- should- powinnieć
- shouldn't- nie powinnieć
- twierdzenia: S + should + V1+ xxx, np. I should study for my exams.
-przeczenia: S + shouldn't + V1 + xxx, np. She shouldn't listen to loud music all time.
-pytania: Should + S + V1+ xxx? ,np. Should I eat one more slice of cake?
-krótkie odpowiedzi: Yes, I should. No, I shouldn't.