Biernik
the case of “what?”

Every Polish sentence has a subject — the thing doing the action — and often an object — the thing the action is done to. The subject stands in the nominative (mianownik). The object stands in the accusative (biernik). That is the case's day job, and it does it constantly.

Three jobs, one case

The accusative turns up in exactly three situations. Learn to spot them and you will never wonder which case you need.

Where it sits among the seven cases

Polish children chant these seven names in this order at school, and every dictionary lists cases in it. If you learn the order once, you will always know which slot a form belongs to.

This is the single most useful thing on this page. The accusative never has a unique set of endings. Every accusative form you will ever meet is copied from one of two other cases:

The full map

Read this table once now and return to it whenever a sentence surprises you. The right-hand column is the only thing you actually have to decide.

Why the case behaves like this

Historically, Polish had a separate accusative form. It decayed, and the language patched the gaps by borrowing neighbouring cases. The pattern that survived is a hierarchy of “how much does this noun resemble a person”: the more it does, the more likely it takes the genitive form. This is why pies takes psa but stół stays stół, and why the distinction collapses in the plural, where a crowd of things and a crowd of dogs are grammatically alike.

Take the four genders one at a time. Each has exactly one behaviour, with a short list of exceptions you can count on one hand.

Masculine — people and animals

All masculine nouns for living beings take -a in the accusative. The ending is added to the stem, and the stem sometimes shifts, exactly as it does in the genitive — because this is the genitive form.

Masculine — things

Masculine nouns for objects do not change. The accusative is identical to the nominative, and to the dictionary form.

This is the mistake learners make most often in the other direction: having learnt that Polish nouns “change in the object case”, they write Mam samochoda. There is no such form. A car is a thing, and things in the masculine do not change.

Masculine nouns that end in -a

A small but important group: mężczyzna (man), kolega (colleague), kierowca (driver), artysta (artist), tata (dad). They mean male human beings but they decline like feminine nouns — so the accusative is -ę, not -a.

Widzę mężczyznę. · Znam kolegę. · Podziwiam artystę.

Feminine — the ending you must drill

Feminine nouns in -a take -ę. This is the one accusative ending that is neither the nominative nor the genitive, and it is the change you will make most often in real speech.

The two exceptions — panią and królową — are worth memorising outright, because pani is one of the most frequent words in the language. Gospodyni (landlady) is not an exception: gospodynię.

Feminine — nouns ending in a consonant

A large group of feminine nouns ends in a soft consonant rather than a vowel: noc, miłość, dłoń, mysz, rzecz, krew, sól. Their accusative is simply the form you already know.

Widzę noc? — strange sentence, but grammatically noc is both nominative and accusative.

Better real examples: Czuję miłość. · Podaj mi sól. · Znalazłem mysz. · Mam nadzieję. (that last one is -ę because nadzieja ends in -a — don't mix the two groups up.)

Neuter

Neuter nouns never change in the accusative, in either number. There is nothing to learn here beyond trusting it.

Note that dziecko (child) is neuter, so it does not take the animate -a even though a child is obviously alive: Widzę dziecko, never dziecka.

Polish splits masculine nouns into two grammatical classes. The grammar books call them żywotne (animate) and nieżywotne (inanimate). The labels are misleading, because the class is decided by grammar, not by biology — and the membership list has surprises that no amount of logic will predict.

Ulepiłem bałwana. · Widzę anioła. · Naprawiam robota.

A snowman cannot move, breathe or think, and it still takes -a. A corpse is the least active thing imaginable and it takes -a too. Meanwhile tłum (crowd), naród (nation) and zespół (team) are made of people and do not take it.

Names and surnames

People's names follow the same rule, and surnames add a twist worth knowing early, because you will need it at every office counter in Poland.

Widzę Pana Nowaka. · Widzę Panią Kowalską. · Znam Annę Nowak.

Here is the fact that separates people who “know the accusative” from people who sound Polish. In the plural, animacy stops mattering to animals. The only thing that keeps the genitive form is masculine personal — a grammatical class meaning, essentially, male human beings.

Mixed groups take the masculine personal form

If a group contains at least one male human being, the whole group is grammatically masculine personal. This is true even when the men are a minority, and it is not considered rude — it is simply how the grammar works.

Widzę moich rodziców. — mum and dad together

Znam tych studentów. — a mixed class of students

Widzę państwa. — “you”, polite, a couple or a mixed group

Państwo (polite “you” to a mixed group) is grammatically masculine personal, so it takes państwa. Pań and panów exist as separate words; państwa is the one that covers a mixed room.

Plural-only nouns

Some nouns have no singular at all. They are not masculine personal, so their accusative is the form you already see.

Mam pieniądze. · Kupiłem nożyczki. · Otwórz drzwi.

Two rules in one sentence

Watch the two halves of the plural rule meet in a single line:

Widzę studentów i studentki.

The men take the genitive form studentów; the women take the nominative form studentki. Each noun is judged on its own, not on the sentence.

Everything that describes a noun must agree with it. Since the noun's accusative form may come from the genitive or the nominative, the adjective has to make the same choice — which means you decide once, for the noun, and then copy the decision onto every word that hangs off it.

Adjectives

After a soft stem the plural ending is written -ich rather than -ych: tych but tanich, nowych but ostatnich. It is the same ending either way — Polish spelling simply writes i after a soft consonant (ś ź ć dź ń j l cz sz ż rz c dz) and y after a hard one.

Personal pronouns

Kocham cię. · Widzę go. · Znam ją. · Czekam na niego.

After a preposition, the third person forms grow an n-: na niego, przez nią, za nie, do nich (that last one is genitive). Mnie, ciebie, nas and was never do.

ten, który, mój

Possessives that never change

jego (his), jej (her) and ich (their) are frozen forms. They do not agree with anything and never take an ending.

Widzę jego brata. · Widzę jej siostrę. · Widzę ich dom.

swój behaves like mój and is used when the owner is the subject: Jan kocha swoją żonę.

co and kto

The question words follow the same logic, with one exception worth knowing. kto → kogo, so Kogo widzisz? But co stays co: Co widzisz? — never Czego widzisz?. Here the pronoun keeps its nominative shape, the one place where the “accusative equals genitive” shortcut for pronouns fails.

Numbers are where the accusative stops being a case lesson and becomes arithmetic. The numeral itself changes only for male human beings; what it does to the noun follows the normal Polish counting rules, which apply whatever case the phrase is in.

The numeral changes only for male people

This is the one place where the accusative alters the number word itself. For masculine personal nouns, the numeral takes the genitive shape; everywhere else it looks like the nominative.

Widzę dwóch studentów. · Widzę dwa koty. · Widzę pięciu uczniów.

Collective numbers

For groups that mix genders, for children, and for a few plural-only nouns, Polish uses collective numerals: dwoje, troje, czworo, pięcioro. They always take the genitive plural.

Mam dwoje dzieci. · Widzę troje drzwi. · Znam czworo studentów?

That last sentence is grammatically possible but odd — czworo studentów is used of a mixed group, and Polish speakers would normally just say czterech studentów. Stick to dwoje dzieci and troje drzwi until the collective numbers come up naturally.

Quantity words

dużo, mało, kilka, wiele, parę all behave like “five and above”: they take the genitive plural. This holds even when the phrase is the object of an accusative verb.

Mam dużo pracy. · Znam kilka osób. · Kupiłem parę jabłek.

Those are genitive plurals (pracy, osób, jabłek), not accusatives. The quantity word takes over the case; the accusative never gets a look in. Do not try to “fix” them into accusative forms.

Age and measurements

Mam dwadzieścia lat. · Mam trzydzieści pięć lat.

Lat is the genitive plural of rok — the same form you met with pięć. It never becomes lata in this construction.

Most transitive verbs in Polish take the accusative — that is the default, and it needs no memorising. What you do have to memorise is the list of verbs that look transitive and take the genitive instead. There are about a dozen that matter, and they cause more errors than the entire rest of the case.

The everyday accusative verbs

The trap list: verbs that take the genitive

Every verb below means something you would expect to be a direct object, and every one of them takes the genitive. This is not the negation rule at work — these verbs simply govern the genitive, always.

Verbs with two objects

Some verbs take an accusative and a genitive in the same sentence. The person is the accusative object; the thing is the genitive one.

Uczę dzieci angielskiego.

Dzieci — accusative plural (not masculine personal, so unchanged in form). Angielskiego — genitive, because that is what you teach someone of. Życzę and życzyć komuś czegoś work the same way, with the person in the dative.

One verb, two meanings, two cases

A few verbs change case with meaning. The most useful is dostać.

The second pair is the partitive genitive: the genitive carries “some of it”, the accusative carries “all of it”. Both sentences are correct; they just mean different amounts. You will hear Poproszę chleba at a bakery counter and Kup chleb at home.

mieć + accusative: phrases to own outright

Mieć is the most common accusative verb in Polish, and it forms a set of fixed phrases. Learn them whole — you will use them daily.

This is the rule that catches every learner, and it is beautifully simple: when you negate a transitive verb, its object stops being accusative and becomes genitive. Not sometimes — as the neutral, unmarked form, always.

Row four is the one to look at twice. Piotr is masculine animate, so its accusative is Piotra — and its genitive is Piotra too. Nothing visibly changes, because the accusative had already borrowed the genitive form. That is not a counterexample; it is the borrowing rule showing itself.

nie ma — a construction to learn whole

“There is no…” is nie ma plus the genitive, with no exceptions and no accusative alternative.

Nie ma mleka. · Nie ma czasu. · Nie ma problemu. · Nie ma chleba.

Nie ma problemu (no problem) is worth memorising as a chunk — you will hear it fifty times a week.

What negation does not touch

The rule applies to the direct object. A noun governed by a preposition keeps its preposition's case, negation or no negation.

Nie idę na pocztę. — still accusative, because of na

Nie mówię o tobie. — still locative, because of o

Ten prepositions can take the accusative. Only one of them takes it always; the rest take it in one meaning and something else in another. The pattern behind most of them is the most useful idea in Polish prepositional grammar: accusative means movement towards, locative or instrumental means being there.

przez — always accusative

The one preposition with no second meaning. Route, means, cause, duration.

Idę przez ulicę. · Jadę przez Warszawę. · Pracowałem przez cały dzień.

Zrobiłem to przez przypadek. · Przepraszam, to przez pomyłkę.

na — a goal, a destination, an occasion

Idę na pocztę. · Jadę na wakacje. · Idziemy na obiad.

Czekam na autobus. · Patrzę na morze. · Mam ochotę na kawę.

With a location, na switches to the locative: Jestem na poczcie, Książka leży na stole.

w — into, and a handful of idioms

w with the accusative means movement into something, plus a set of fixed expressions you should learn as chunks rather than derive.

Wchodzę w wodę. · Wpadłem w kłopoty. · Wierzę w Boga.

Gram w piłkę. · Gramy w karty. · Gram w szachy.

za — payment, thanks, and the future

Dziękuję za pomoc. · Przepraszam za spóźnienie. · Płacę za kawę.

Wracam za godzinę. · Wyjeżdżam za tydzień. · Wychodzi za mąż za Piotra.

For “behind”, za takes the instrumental: Samochód stoi za domem. For “during, in the time of”, it takes the genitive: za moich czasów.

o — about, and the things you do about something

Pytam o drogę. · Proszę o rachunek. · Dbam o zdrowie.

Martwię się o ciebie. · Walczę o lepszą pracę. · Chodzi o pieniądze.

“Talking about” something is o + locative: Mówię o tobie, Myślę o wczorajszym dniu. Asking about it is accusative.

po — going to fetch something

Idę po chleb. · Idę po zakupy. · Wyszedł po papierosy.

This is a small and slightly odd corner: po usually takes the locative (po obiedzie — after lunch; po ulicy — along the street). The accusative appears only in the “go and get” sense — and in po co? (what for?).

Five prepositions that split by direction

These five mean “towards” with the accusative and “located at” with the instrumental. The noun pair below is the same word twice, and the ending is the entire difference between moving and staying.

Read the first two columns as a question: where to? → accusative. Where? → instrumental. The same contrast runs through na and w, except that those two take the locative rather than the instrumental: na stół / na stole, w wodę / w wodzie.

Polish can put a bare accusative in a sentence to say how long something lasted. There is no preposition, no suffix — just the accusative, sitting there like an adverb.

The time expressions worth memorising

A last wrinkle, and a genuinely interesting one. A group of masculine things takes the animate ending -a in the accusative. Grammars list them by category: dances, games, cigarettes, products, dishes, fruits, mushrooms, chess pieces and playing cards.

Beware of over-applying this. The categories are real, but usage inside them is uneven, and dictionaries often give both forms — sometimes with -a as the standard, sometimes as the colloquial variant. Here is the honest picture for the words you are most likely to meet.

Read the last two rows carefully, because they are where well-meaning textbooks go wrong. Zjem kotleta is extremely common in speech and you will hear it in any Polish kitchen — but the standard form is Zjem kotlet, and dictionaries mark kotleta as colloquial. Same for banan. Produce the plain form; recognise the other.

Fixed phrases

The same animate-style ending appears frozen inside idioms, where it can never be regularised:

You do not need to produce these; you need to not be surprised by them. If you meet nosa where you expected nos, it is this rule, not a mistake.

Each of these is a real, frequent error. Read the wrong column first — recognising the mistake is what stops you making it.

10 sets, 214 items. Every answer comes with the reason: 1–9 to pick an option, Enter to check or continue. Your misses are collected, and “Review the mistakes” runs only those. Progress is saved on this device.

Every form below was checked against the declension tables of Polish Wiktionary. Where a dictionary allows two accusatives, both are shown. Type to filter by noun, ending, gender or note.

Endings

The five rules that cover most real sentences

1. Feminine -a → -ę. Lubię kawę. (But pani → panią.)
2. Masculine and alive → genitive form. Widzę psa. Things stay: Widzę stół.
3. Plural: only male humans keep the genitive form. studentów but koty.
4. Negation → genitive. Nie mam czasu. Nie ma mleka.
5. After a preposition, the preposition wins. na pocztę, przez ulicę, za tydzień, po chleb.

The prepositions

The genitive verbs to watch for

szukać · uczyć się · bać się · słuchać · potrzebować · używać · pilnować · wymagać · życzyć · zapominać · dotykać · bronić · przestrzegać · nienawidzić

Say it out loud, ten times

Widzę kota. · Lubię kawę. · Mam czas. · Nie mam czasu. · Widzę studentów. · Widzę koty. · Idę na pocztę. · Czekam na autobus. · Szukam klucza. · Pracowałem całą noc.