| Präsens (Present) "darken" | I | darken | |
| Präsens Verlaufsform (Present continuous) "darken" | I | am darkening | |
| Präteritum (Simple past) "darken" | I | darkened | |
| Perfekt Verlaufsform (Past Continuous) "darken" | I | was darkening | |
| Present Perfect (Präsens) "darken" | I | have darkened | |
| Present Continuous (Futur) "darken" | I | have been darkening | |
| Plusquamperfekt (Past perfect) "darken" | I | had darkened | |
| Plusquamperfekt Verlaufsform (Past perfect continuous) "darken" | I | had been darkening | |
| Futur I (Future) "darken" | I | will darken | |
| Futur I Verlaufsform (Future continuous) "darken" | I | will be darkening | |
| Futur II (Future perfect) "darken" | I | will have darkened | |
| Futur II Verlaufsform (Future perfect continuous) "darken" | I | will have been darkening |