| Simple | Progressive | Perfect | Progressive |
| Present |
| I stultify |
| you stultify |
| he/she/it stultifies |
| we stultify |
| you all stultify |
| they stultify |
|
| I am stultifying |
| you are stultifying |
| he/she/it is stultifying |
| we are stultifying |
| you all are stultifying |
| they are stultifying |
|
| I have stultified |
| you have stultified |
| he/she/it has stultified |
| we have stultified |
| you all have stultified |
| they have stultified |
|
| I have been stultifying |
| you have been stultifying |
| he/she/it has been stultifying |
| we have been stultifying |
| you all have been stultifying |
| they have been stultifying |
|
| Past |
| I stultified |
| you stultified |
| he/she/it stultified |
| we stultified |
| you all stultified |
| they stultified |
|
| I was stultifying |
| you were stultifying |
| he/she/it was stultifying |
| we were stultifying |
| you all were stultifying |
| they were stultifying |
|
| I had stultified |
| you had stultified |
| he/she/it had stultified |
| we had stultified |
| you all had stultified |
| they had stultified |
|
| I had been stultifying |
| you had been stultifying |
| he/she/it had been stultifying |
| we had been stultifying |
| you all had been stultifying |
| they had been stultifying |
|
| Future |
| I will stultify |
| you will stultify |
| he/she/it will stultify |
| we will stultify |
| you all will stultify |
| they will stultify |
|
| I will be stultifying |
| you will be stultifying |
| he/she/it will be stultifying |
| we are stultifying |
| you all will be stultifying |
| they will be stultifying |
|
| I will have stultified |
| you will have stultified |
| he/she/it will have stultified |
| we will have stultified |
| you all will have stultified |
| they will have stultified |
|
| I will have been stultifying |
| you will have been stultifying |
| he/she/it will have been stultifying |
| we will have been stultifying |
| you all will have been stultifying |
| they will have been stultifying |
|
