| Obecny (Present) "undergo" | I | undergo | |
| Niniejszy seryjne (Present Continuous) "undergo" | I | am undergoing | |
| Czas przeszły (Simple past) "undergo" | I | underwent | |
| Dotychczasowe seryjne (Past Continuous) "undergo" | I | was undergoing | |
| Present Perfect (Present perfect) "undergo" | I | have undergone | |
| Niniejszy seryjne (Present perfect continuous) "undergo" | I | have been undergoing | |
| Past Perfect (Past perfect) "undergo" | I | had undergone | |
| Dotychczasowe seryjne (Past perfect continuous) "undergo" | I | had been undergoing | |
| Przyszłość (Future) "undergo" | I | will undergo | |
| Przyszłe ciągły (Future continuous) "undergo" | I | will be undergoing | |
| Future Perfect (Future perfect) "undergo" | I | will have undergone | |
| Przyszłe doskonałe ciągły (Future perfect continuous) "undergo" | I | will have been undergoing |