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