| Simple | Progressive | Perfect | Progressive |
| Present |
| I muffle |
| you muffle |
| he/she/it muffles |
| we muffle |
| you all muffle |
| they muffle |
|
| I am muffling |
| you are muffling |
| he/she/it is muffling |
| we are muffling |
| you all are muffling |
| they are muffling |
|
| I have muffled |
| you have muffled |
| he/she/it has muffled |
| we have muffled |
| you all have muffled |
| they have muffled |
|
| I have been muffling |
| you have been muffling |
| he/she/it has been muffling |
| we have been muffling |
| you all have been muffling |
| they have been muffling |
|
| Past |
| I muffled |
| you muffled |
| he/she/it muffled |
| we muffled |
| you all muffled |
| they muffled |
|
| I was muffling |
| you were muffling |
| he/she/it was muffling |
| we were muffling |
| you all were muffling |
| they were muffling |
|
| I had muffled |
| you had muffled |
| he/she/it had muffled |
| we had muffled |
| you all had muffled |
| they had muffled |
|
| I had been muffling |
| you had been muffling |
| he/she/it had been muffling |
| we had been muffling |
| you all had been muffling |
| they had been muffling |
|
| Future |
| I will muffle |
| you will muffle |
| he/she/it will muffle |
| we will muffle |
| you all will muffle |
| they will muffle |
|
| I will be muffling |
| you will be muffling |
| he/she/it will be muffling |
| we are muffling |
| you all will be muffling |
| they will be muffling |
|
| I will have muffled |
| you will have muffled |
| he/she/it will have muffled |
| we will have muffled |
| you all will have muffled |
| they will have muffled |
|
| I will have been muffling |
| you will have been muffling |
| he/she/it will have been muffling |
| we will have been muffling |
| you all will have been muffling |
| they will have been muffling |
|
