| Simple | Progressive | Perfect | Progressive |
| Present |
| I brighten |
| you brighten |
| he/she/it brightens |
| we brighten |
| you all brighten |
| they brighten |
|
| I am brightening |
| you are brightening |
| he/she/it is brightening |
| we are brightening |
| you all are brightening |
| they are brightening |
|
| I have brightened |
| you have brightened |
| he/she/it has brightened |
| we have brightened |
| you all have brightened |
| they have brightened |
|
| I have been brightening |
| you have been brightening |
| he/she/it has been brightening |
| we have been brightening |
| you all have been brightening |
| they have been brightening |
|
| Past |
| I brightened |
| you brightened |
| he/she/it brightened |
| we brightened |
| you all brightened |
| they brightened |
|
| I was brightening |
| you were brightening |
| he/she/it was brightening |
| we were brightening |
| you all were brightening |
| they were brightening |
|
| I had brightened |
| you had brightened |
| he/she/it had brightened |
| we had brightened |
| you all had brightened |
| they had brightened |
|
| I had been brightening |
| you had been brightening |
| he/she/it had been brightening |
| we had been brightening |
| you all had been brightening |
| they had been brightening |
|
| Future |
| I will brighten |
| you will brighten |
| he/she/it will brighten |
| we will brighten |
| you all will brighten |
| they will brighten |
|
| I will be brightening |
| you will be brightening |
| he/she/it will be brightening |
| we are brightening |
| you all will be brightening |
| they will be brightening |
|
| I will have brightened |
| you will have brightened |
| he/she/it will have brightened |
| we will have brightened |
| you all will have brightened |
| they will have brightened |
|
| I will have been brightening |
| you will have been brightening |
| he/she/it will have been brightening |
| we will have been brightening |
| you all will have been brightening |
| they will have been brightening |
|
