| Simple | Progressive | Perfect | Progressive |
| Present |
| I ferment |
| you ferment |
| he/she/it ferments |
| we ferment |
| you all ferment |
| they ferment |
|
| I am fermenting |
| you are fermenting |
| he/she/it is fermenting |
| we are fermenting |
| you all are fermenting |
| they are fermenting |
|
| I have fermented |
| you have fermented |
| he/she/it has fermented |
| we have fermented |
| you all have fermented |
| they have fermented |
|
| I have been fermenting |
| you have been fermenting |
| he/she/it has been fermenting |
| we have been fermenting |
| you all have been fermenting |
| they have been fermenting |
|
| Past |
| I fermented |
| you fermented |
| he/she/it fermented |
| we fermented |
| you all fermented |
| they fermented |
|
| I was fermenting |
| you were fermenting |
| he/she/it was fermenting |
| we were fermenting |
| you all were fermenting |
| they were fermenting |
|
| I had fermented |
| you had fermented |
| he/she/it had fermented |
| we had fermented |
| you all had fermented |
| they had fermented |
|
| I had been fermenting |
| you had been fermenting |
| he/she/it had been fermenting |
| we had been fermenting |
| you all had been fermenting |
| they had been fermenting |
|
| Future |
| I will ferment |
| you will ferment |
| he/she/it will ferment |
| we will ferment |
| you all will ferment |
| they will ferment |
|
| I will be fermenting |
| you will be fermenting |
| he/she/it will be fermenting |
| we are fermenting |
| you all will be fermenting |
| they will be fermenting |
|
| I will have fermented |
| you will have fermented |
| he/she/it will have fermented |
| we will have fermented |
| you all will have fermented |
| they will have fermented |
|
| I will have been fermenting |
| you will have been fermenting |
| he/she/it will have been fermenting |
| we will have been fermenting |
| you all will have been fermenting |
| they will have been fermenting |
|
