| czas | czasownik to be | imiesłów bierny |
| Past Simple | was / were | imiesłów bierny (3 forma czasownika) |
| Past Continuous | was / were + being | |
| Past Perfect | had + been |
| strona czynna | strona bierna |
| They painted the room last year. | The room was painted last year. |
| They were painting the room. | The room was being painted. |
| They had painted the room. | The room had been painted. |
| Czas Past Perfect Continuous nie występuje w stronie biernej! | |
Pamiętaj, że zmieniając podmiot, musisz dopasować do niego formę czasownika to be:
They were painting the room now. (3 os. l. mn)
The room was being painted now. (3 os. l. poj.)