| Simple | Progressive | Perfect | Progressive |
| Present |
| I smother |
| you smother |
| he/she/it smothers |
| we smother |
| you all smother |
| they smother |
|
| I am smothering |
| you are smothering |
| he/she/it is smothering |
| we are smothering |
| you all are smothering |
| they are smothering |
|
| I have smothered |
| you have smothered |
| he/she/it has smothered |
| we have smothered |
| you all have smothered |
| they have smothered |
|
| I have been smothering |
| you have been smothering |
| he/she/it has been smothering |
| we have been smothering |
| you all have been smothering |
| they have been smothering |
|
| Past |
| I smothered |
| you smothered |
| he/she/it smothered |
| we smothered |
| you all smothered |
| they smothered |
|
| I was smothering |
| you were smothering |
| he/she/it was smothering |
| we were smothering |
| you all were smothering |
| they were smothering |
|
| I had smothered |
| you had smothered |
| he/she/it had smothered |
| we had smothered |
| you all had smothered |
| they had smothered |
|
| I had been smothering |
| you had been smothering |
| he/she/it had been smothering |
| we had been smothering |
| you all had been smothering |
| they had been smothering |
|
| Future |
| I will smother |
| you will smother |
| he/she/it will smother |
| we will smother |
| you all will smother |
| they will smother |
|
| I will be smothering |
| you will be smothering |
| he/she/it will be smothering |
| we are smothering |
| you all will be smothering |
| they will be smothering |
|
| I will have smothered |
| you will have smothered |
| he/she/it will have smothered |
| we will have smothered |
| you all will have smothered |
| they will have smothered |
|
| I will have been smothering |
| you will have been smothering |
| he/she/it will have been smothering |
| we will have been smothering |
| you all will have been smothering |
| they will have been smothering |
|
