znać vs wiedzieć vs umieć
Trzy czasowniki „wiedzy”
Three verbs all translated as "to know" in English — but each is used differently. This trips up every learner.
English uses "to know" for everything. Polish splits it into three verbs that are NOT interchangeable. The rule of thumb: znać a thing/person, wiedzieć a fact, umieć a skill.
ZNAĆ
to know / be familiar with
znać + Biernik (a noun)Use for people, places, and things you are familiar with. Always followed by a direct object.
WIEDZIEĆ
to know (a fact)
wiedzieć + że / gdzie / kiedy…Use for knowing information. Followed by a clause: that, where, when, how much, at what time.
UMIEĆ
to know how / can
umieć + bezokolicznik (infinitive)Use for learned skills and abilities. Followed by another verb in the infinitive.
Conjugations
| Person | znać | wiedzieć | umieć |
|---|---|---|---|
| ja | znam | wiem | umiem |
| ty | znasz | wiesz | umiesz |
| on / ona | zna | wie | umie |
| my | znamy | wiemy | umiemy |
| wy | znacie | wiecie | umiecie |
| oni / one | znają | wiedzą | umieją |
Compare the same idea: • "Znam Michała." — I know Michał (the person). • "Wiem, że Michał mieszka w Krakowie." — I know that Michał lives in Kraków (a fact). • "Umiem mówić po polsku." — I can speak Polish (a skill).