Verb "to be" (być)

Frequently asked questions

When is Czasownik "być" used?

The verb być (to be) is irregular and essential. In colloquial speech, present tense forms are often dropped, but beginners should learn them.

How is Czasownik "być" formed?

Usage: With nouns in instrumental case: Jestem studentem (I am a student). With adjectives in nominative: Jestem zmęczony (I am tired). Negation: nie jestem, nie jesteś, nie jest...

What are common mistakes with Czasownik "być"?

Learners forget that być requires instrumental case with nouns (jestem studentem, not *jestem student). The 3rd plural są looks nothing like the rest of the paradigm. English speakers: Use nominative after być (*jestem student) instead of instrumental (jestem studentem). Omit być entirely when not needed. Russian speakers: Russian drops быть in present tense — must remember to include jestem/jest. Instrumental after быть is familiar (я студентом → jestem studentem). Czech speakers: Czech jsem/jsi/je maps directly. But Czech uses nominative after být (jsem student) — Polish requires instrumental (jestem studentem).