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