| Simple | Progressive | Perfect | Progressive |
| Present |
| I vitiate |
| you vitiate |
| he/she/it vitiates |
| we vitiate |
| you all vitiate |
| they vitiate |
|
| I am vitiating |
| you are vitiating |
| he/she/it is vitiating |
| we are vitiating |
| you all are vitiating |
| they are vitiating |
|
| I have vitiated |
| you have vitiated |
| he/she/it has vitiated |
| we have vitiated |
| you all have vitiated |
| they have vitiated |
|
| I have been vitiating |
| you have been vitiating |
| he/she/it has been vitiating |
| we have been vitiating |
| you all have been vitiating |
| they have been vitiating |
|
| Past |
| I vitiated |
| you vitiated |
| he/she/it vitiated |
| we vitiated |
| you all vitiated |
| they vitiated |
|
| I was vitiating |
| you were vitiating |
| he/she/it was vitiating |
| we were vitiating |
| you all were vitiating |
| they were vitiating |
|
| I had vitiated |
| you had vitiated |
| he/she/it had vitiated |
| we had vitiated |
| you all had vitiated |
| they had vitiated |
|
| I had been vitiating |
| you had been vitiating |
| he/she/it had been vitiating |
| we had been vitiating |
| you all had been vitiating |
| they had been vitiating |
|
| Future |
| I will vitiate |
| you will vitiate |
| he/she/it will vitiate |
| we will vitiate |
| you all will vitiate |
| they will vitiate |
|
| I will be vitiating |
| you will be vitiating |
| he/she/it will be vitiating |
| we are vitiating |
| you all will be vitiating |
| they will be vitiating |
|
| I will have vitiated |
| you will have vitiated |
| he/she/it will have vitiated |
| we will have vitiated |
| you all will have vitiated |
| they will have vitiated |
|
| I will have been vitiating |
| you will have been vitiating |
| he/she/it will have been vitiating |
| we will have been vitiating |
| you all will have been vitiating |
| they will have been vitiating |
|
