| Simple | Progressive | Perfect | Progressive |
| Present |
| I staff |
| you staff |
| he/she/it staffs |
| we staff |
| you all staff |
| they staff |
|
| I am staffing |
| you are staffing |
| he/she/it is staffing |
| we are staffing |
| you all are staffing |
| they are staffing |
|
| I have staffed |
| you have staffed |
| he/she/it has staffed |
| we have staffed |
| you all have staffed |
| they have staffed |
|
| I have been staffing |
| you have been staffing |
| he/she/it has been staffing |
| we have been staffing |
| you all have been staffing |
| they have been staffing |
|
| Past |
| I staffed |
| you staffed |
| he/she/it staffed |
| we staffed |
| you all staffed |
| they staffed |
|
| I was staffing |
| you were staffing |
| he/she/it was staffing |
| we were staffing |
| you all were staffing |
| they were staffing |
|
| I had staffed |
| you had staffed |
| he/she/it had staffed |
| we had staffed |
| you all had staffed |
| they had staffed |
|
| I had been staffing |
| you had been staffing |
| he/she/it had been staffing |
| we had been staffing |
| you all had been staffing |
| they had been staffing |
|
| Future |
| I will staff |
| you will staff |
| he/she/it will staff |
| we will staff |
| you all will staff |
| they will staff |
|
| I will be staffing |
| you will be staffing |
| he/she/it will be staffing |
| we are staffing |
| you all will be staffing |
| they will be staffing |
|
| I will have staffed |
| you will have staffed |
| he/she/it will have staffed |
| we will have staffed |
| you all will have staffed |
| they will have staffed |
|
| I will have been staffing |
| you will have been staffing |
| he/she/it will have been staffing |
| we will have been staffing |
| you all will have been staffing |
| they will have been staffing |
|
