| Présent (Present) "blacken" | I | blacken | |
| Présent continu (Present Continuous) "blacken" | I | am blackening | |
| Passé (Simple past) "blacken" | I | blackened | |
| Passé antérieur (Past Continuous) "blacken" | I | was blackening | |
| Présent parfait (Present perfect) "blacken" | I | have blackened | |
| Continu Présent (Present perfect continuous) "blacken" | I | have been blackening | |
| Imparfait (Past perfect) "blacken" | I | had blackened | |
| Plus-que-parfait (Past perfect continuous) "blacken" | I | had been blackening | |
| Futur simple (Future) "blacken" | I | will blacken | |
| Futur (Future continuous) "blacken" | I | will be blackening | |
| Futur antérieur (Future perfect) "blacken" | I | will have blackened | |
| Futur antérieur continu (Future perfect continuous) "blacken" | I | will have been blackening |