Give advice and express what is necessary or worthwhile.
A doctor advises a stressed, overworked patient.
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« powinien » (should) agrees with the subject's gender and number: powinienem/powinnam (I), powinieneś/powinnaś (you), powinien/powinna (he/she), powinniśmy/powinnyśmy (we). It is followed by an infinitive: « Powinnaś odpocząć. » « musieć » (must) conjugates normally and also takes an infinitive: « Musisz iść do lekarza. » Two impersonal forms take a bare infinitive: « trzeba » (one must / it is necessary) — « Trzeba ćwiczyć », and « warto » (it is worth) — « Warto spróbować. » These do not change for person: « Warto / trzeba » + infinitive. Strength ranges from advice (powinieneś, warto) to obligation (musisz, trzeba).
A friend feels tired and stressed. Write 4–5 sentences of advice using powinieneś/powinnaś, warto and trzeba.
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