| Simple | Progressive | Perfect | Progressive |
| Present |
| I muff |
| you muff |
| he/she/it muffs |
| we muff |
| you all muff |
| they muff |
|
| I am muffing |
| you are muffing |
| he/she/it is muffing |
| we are muffing |
| you all are muffing |
| they are muffing |
|
| I have muffed |
| you have muffed |
| he/she/it has muffed |
| we have muffed |
| you all have muffed |
| they have muffed |
|
| I have been muffing |
| you have been muffing |
| he/she/it has been muffing |
| we have been muffing |
| you all have been muffing |
| they have been muffing |
|
| Past |
| I muffed |
| you muffed |
| he/she/it muffed |
| we muffed |
| you all muffed |
| they muffed |
|
| I was muffing |
| you were muffing |
| he/she/it was muffing |
| we were muffing |
| you all were muffing |
| they were muffing |
|
| I had muffed |
| you had muffed |
| he/she/it had muffed |
| we had muffed |
| you all had muffed |
| they had muffed |
|
| I had been muffing |
| you had been muffing |
| he/she/it had been muffing |
| we had been muffing |
| you all had been muffing |
| they had been muffing |
|
| Future |
| I will muff |
| you will muff |
| he/she/it will muff |
| we will muff |
| you all will muff |
| they will muff |
|
| I will be muffing |
| you will be muffing |
| he/she/it will be muffing |
| we are muffing |
| you all will be muffing |
| they will be muffing |
|
| I will have muffed |
| you will have muffed |
| he/she/it will have muffed |
| we will have muffed |
| you all will have muffed |
| they will have muffed |
|
| I will have been muffing |
| you will have been muffing |
| he/she/it will have been muffing |
| we will have been muffing |
| you all will have been muffing |
| they will have been muffing |
|
