| Present Simple - Presente (Present) "blacken" | I | blacken | |
| Presente Contínuo (Present Continuous) (Present Continuous) "blacken" | I | am blackening | |
| Tempo passado (Simple past) "blacken" | I | blackened | |
| Passado Contínuo (Past Continuous) "blacken" | I | was blackening | |
| Present Perfect (Present perfect) "blacken" | I | have blackened | |
| Perfeito Presente Contínuo (Present Perfect Continuous) "blacken" | I | have been blackening | |
| Past Perfect (Present perfect) "blacken" | I | had blackened | |
| Perfeito presente contínuo (Past perfect continuous) "blacken" | I | had been blackening | |
| O futuro (Future) "blacken" | I | will blacken | |
| Futuro do Pretérito (Future Continuous) "blacken" | I | will be blackening | |
| Futuro (Future perfect) "blacken" | I | will have blackened | |
| Perfeito Futuro do Pretérito (Future perfect continuous) "blacken" | I | will have been blackening |