Advanced passive voice (use of 'się', periphrastic forms) - Polish Grammar

What is the advanced passive voice in Polish?

Polish has several ways to express what English calls the passive voice. The two most important advanced options are:
- the reflexive particle 'się' used in impersonal or middle-voice constructions (often called the 'się-passive' or impersonal 'się'), and
- periphrastic passives built with an auxiliary verb plus a past participle (most commonly być + participle and zostać + participle).

These options serve different functions and carry different nuances. This article explains when to use each, how to form them, how agreement works, how to mention the agent (by whom), and common learner mistakes. Examples are in Polish with English translations.

When and why do we use passive structures?

Use passive-like constructions when the actor (agent) is unknown, unimportant, obvious from context, or you want to focus on the patient (the thing affected by the action). Short guide:
- Use 'się' when you want a general, impersonal statement (people do X) or a middle-voice effect (the thing behaves or is treated in a certain way).
- Use być + participle when you describe a resulting state or a more neutral, often formal passive.
- Use zostać + participle to stress that an action happened (change of state, completed action) — it often maps to English "was/were + past participle" with focus on the event.

Compare with English:
- English "The house is being built" -> Polish could be Buduje się dom / Dom jest budowany (different nuance).
- English "The letter was written by Anna" -> Polish usually List został napisany przez Annę.

How do I form the 'się' passive? (impersonal and middle-voice use)

Basic structure
- Put the verb in a finite form and place the particle 'się' after it (or after the first auxiliary). Typical word order is Verb + się + (object). Example: "W tym parku sadzi się drzewa." (Trees are planted in this park / People plant trees in this park).

1. Impersonal 'się' (no nominative subject)

Use this when you mean 'people/one/they/you' or to describe general facts or customs.

The verb is usually 3rd person singular.

Examples:

"W Polsce mówi się po polsku." (In Poland, Polish is spoken. / People speak Polish in Poland.)

"W tym sklepie sprzedaje się świeże pieczywo." (Fresh bread is sold in this shop.)

"Tutaj często pije się kawę." (People often drink coffee here.)

2. Middle-voice / 'się' where the patient is topicalized (nominative agreement)

If the affected thing is placed in nominative (fronted), the verb can agree with it in number and gender.

This gives a middle-voice effect: the thing "reads/eats/works" easily, i.e., "it is easy to read/eat/use."

Examples:

"Ta książka czyta się szybko." (This book reads quickly / This book is read quickly.)

"Te nowelki czytają się lekko." (These short stories read easily.)

"Okno samo się otworzyło." (The window opened by itself.) — here 'się' is reflexive/middle.

Notes on case and objects

In impersonal 'się' the patient often stays in accusative (or genitive after quantifiers), but forms with nominative are common when the patient is topicalized. Because Polish cases sometimes share endings, surface forms can look identical (e.g., feminine plural nominative vs accusative), so pay attention to meaning.

How do I form periphrastic passives (być / zostać + participle)?

Polish uses an analytic (periphrastic) passive with an auxiliary verb and the past participle (imiesłów bierny). The participle behaves like an adjective and agrees in gender and number with the grammatical subject.

1. Być + past participle (state or ongoing process)

Use być + participle to describe a state or a process (more neutral, often descriptive).

Present: Dom jest malowany. (The house is being painted / The house is painted.)

Past: Dom był malowany. (The house was being painted / The house had been painted — context determines nuance.)

Agreement: participle must match subject gender and number.

Examples:

"Książka jest przeczytana." (The book is read / The book has been read — describes state.)

"Mieszkanie było sprzątane przez dwie godziny." (The flat was being cleaned for two hours.)

2. Zostać + past participle (result, completed event)

Zostać + participle stresses the occurrence of an action and its result. Often used when the action actually happened (resultative passive).

Past example: "Most został zbudowany w 2005 roku." (The bridge was built in 2005.) — focus on the completion/event.

Future: "Zadanie zostanie wykonane jutro." (The task will be completed tomorrow.)

Agreement: as with być, participle agrees with subject.

Examples:

"List został napisany przez Annę." (The letter was written by Anna.)

"On został zatrzymany przez policję." (He was arrested by the police.)

3. Tenses and agreement (quick reference)

Present passive state: jest + participle (e.g., jest zrobiony, jest zamknięte)

Past passive event/state: został/została/zostało/zostali/zostały + participle (event/result) OR był/była/było + participle (state, habitual, or background)

Future passive: zostanie + participle OR będzie + participle (będzie + participle often describes future state/process)

Examples showing grammatical agreement:
- Masculine singular: "On został uratowany." (He was rescued.)
- Feminine singular: "Ona została uratowana." (She was rescued.)
- Neuter singular: "Dziecko zostało uratowane." (The child was rescued.)
- Masculine personal plural: "Uczniowie zostali ocenieni." (The students were graded.)
- Non-masculine plural: "Książki zostały przeczytane." (The books were read.)

How do you express the agent (by whom)?

Using 'przez' to name the agent
- Periphrastic passives allow a clear agent phrase introduced with przez + accusative.
Examples:
- "List został napisany przez Annę." (The letter was written by Anna.)
- "Obrazy były malowane przez znanych artystów." (The paintings were painted by famous artists.)

Note on 'się' + agent
- If you want to name the agent, avoid 'się' impersonal constructions. Instead use zostać/być + participle with przez. The 'się' construction rarely combines naturally with explicit 'przez' agent phrases.
- Wrong: *"W tym parku sadzi się drzewa przez mieszkańców." (unnatural)
- Correct: "W tym parku drzewa są sadzone przez mieszkańców." or "W tym parku drzewa są sadzone przez mieszkańców." (Trees are planted in this park by the inhabitants.)

Which to choose: 'się', 'być' or 'zostać'?

- Use 'się' when you want a natural, idiomatic, general statement (spoken Polish, news headlines, instructions): "W restauracji podaje się wodę" or "W Polsce pije się dużo kawy."
- Use być + participle when you describe the condition or an ongoing action in a neutral way: "Droga jest naprawiana." (The road is being repaired.)
- Use zostać + participle to emphasize the action/result or when translating English past passive that highlights the event: "Droga została naprawiona wczoraj." (The road was repaired yesterday.)

Other passive-like forms you should know briefly

1. Impersonal past forms with -no / -to
- Polish sometimes uses impersonal endings like -no or -to to form an impersonal passive: "Zrobiono dużo zdjęć." (A lot of photos were taken / People took many photos.) or "Powiedziano mi o tym." (I was told about it / People told me about it.)
- These forms are common in written Polish and news/style contexts.

2. Adjectival participles used as adjectives
- The past participle can be used like an adjective before a noun: "przeczytana książka" (a read book). Remember agreement: przeczytana (fem singular), przeczytane (neuter), przeczytani (masc personal plural), przeczytane (non-masc plural).

Common mistakes and how to avoid them

1) Wrong participle agreement after być/zostać
- Wrong: "Książka została przeczytany."
- Correct: "Książka została przeczytana." (participle must match feminine singular)

2) Using 'się' when you need to name the agent
- Wrong: "W tym muzeum ogląda się obrazy przez przewodnika."
- Correct: "W tym muzeum obrazy są oglądane przez przewodnika." or "W tym muzeum obrazy ogląda przewodnik." (use być/zostać + przez or active voice)

3) Treating 'się' as always 3rd singular
- Impersonal 'się' is typically 3rd singular, but when the patient becomes the grammatical subject (nominative fronted), the verb must agree in number/gender: "Ta płyta dobrze się słucha" or "Te płyty dobrze się słuchają." Be aware of the difference.

4) Trying to passive-ize intransitive verbs with 'się'
- Many intransitive verbs cannot form a passive with 'się'. You cannot say *"Ten problem się zniknął." Use the pure intransitive past "Ten problem zniknął." or a different construction.

5) Confusing 'być' and 'zostać'
- "Zostać" often emphasizes that an event occurred (change/result). "Być" can describe a state or ongoing process. Translate English with attention to nuance: "The window was closed" (event) -> "Okno zostało zamknięte." "The window is closed" (state) -> "Okno jest zamknięte."

Examples: matching English passive sentences to Polish options

1) English: "People speak Polish in Poland."
- Polish: "W Polsce mówi się po polsku." (impersonal 'się')

2) English: "A new mall is being built in town."
- Polish options: "W mieście buduje się nowe centrum handlowe." (impersonal, natural) or "Nowe centrum handlowe jest budowane w mieście." (być + participle, neutral/formal)

3) English: "The bridge was built in 2005." (completed event)
- Polish: "Most został zbudowany w 2005 roku." (zostać + participle: event/result)

4) English: "The books were read." (agent not important)
- Polish: "Książki zostały przeczytane." (być/zostać + participle) or "Przeczytano książki." (impersonal past -no form) or "Książki czyta się szybko." (contextual middle/się)

5) English: "The report was prepared by Marta."
- Polish: "Raport został przygotowany przez Martę." (agent expressed with przez)

Quick reference: when to use each pattern

- Want a general statement / spoken / impersonal -> use 'się' (impersonal). Example: "Tutaj pije się dużo herbaty."
- Want focus on the event / result -> use 'zostać + participle'. Example: "Zadanie zostało wykonane."
- Want to describe a state / neutral description -> use 'być + participle'. Example: "Okno jest zamknięte."
- Want to name the agent -> use 'przez + Acc' with być/zostać. Example: "Dom został zbudowany przez firmę."
- Impersonal past reporting -> consider -no / -to forms (zrobiono, powiedziano).

Glossary (brief)

- 'się' (reflexive/impersonal particle): particle used to build impersonal constructions, reflexives, and middle-voice meanings.
- periphrastic passive: a passive made with an auxiliary verb plus a participle (e.g., być/zostać + participle).
- imiesłów bierny (past participle): participle used in passives; behaves like an adjective and agrees in gender/number.
- agent: the doer of the action, expressed in Polish usually with przez + accusative.
- impersonal construction (bezosobowa): sentence without a grammatical subject, often translated as 'people/one/they do X'.

Summary

Polish offers flexible passive options. Use 'się' for impersonal, everyday/general statements or middle-voice effects; use być + participle for neutral descriptions and resulting states; use zostać + participle to emphasize that an event happened or to mark completed actions. Be careful with participle agreement, do not try to force agents into 'się' constructions, and remember the impersonal -no/-to forms as another useful tool. Practicing natural examples and paying attention to nuance will help you choose the correct passive in each situation.