| Presente (Present) "brighten" | I | brighten | |
| Presente continuo (Present Continuous) "brighten" | I | am brightening | |
| Pasado simple (Simple past) "brighten" | I | brightened | |
| Pasado continuo (Past Continuous) "brighten" | I | was brightening | |
| Presente perfecto (Present perfect) "brighten" | I | have brightened | |
| Presente perfecto continuo (Present perfect continuous) "brighten" | I | have been brightening | |
| Pasado perfecto (Past perfect) "brighten" | I | had brightened | |
| Pasado perfecto continuo (Past perfect continuous) "brighten" | I | had been brightening | |
| Futuro (Future) "brighten" | I | will brighten | |
| Futuro continuo (Future continuous) "brighten" | I | will be brightening | |
| Futuro perfecto (Future perfect) "brighten" | I | will have brightened | |
| Futuro perfecto continuo (Future perfect continuous) "brighten" | I | will have been brightening |