| Simple | Progressive | Perfect | Progressive |
| Present |
| I pre-drill |
| you pre-drill |
| he/she/it pre-drills |
| we pre-drill |
| you all pre-drill |
| they pre-drill |
|
| I am pre-drilling |
| you are pre-drilling |
| he/she/it is pre-drilling |
| we are pre-drilling |
| you all are pre-drilling |
| they are pre-drilling |
|
| I have pre-drilled |
| you have pre-drilled |
| he/she/it has pre-drilled |
| we have pre-drilled |
| you all have pre-drilled |
| they have pre-drilled |
|
| I have been pre-drilling |
| you have been pre-drilling |
| he/she/it has been pre-drilling |
| we have been pre-drilling |
| you all have been pre-drilling |
| they have been pre-drilling |
|
| Past |
| I pre-drilled |
| you pre-drilled |
| he/she/it pre-drilled |
| we pre-drilled |
| you all pre-drilled |
| they pre-drilled |
|
| I was pre-drilling |
| you were pre-drilling |
| he/she/it was pre-drilling |
| we were pre-drilling |
| you all were pre-drilling |
| they were pre-drilling |
|
| I had pre-drilled |
| you had pre-drilled |
| he/she/it had pre-drilled |
| we had pre-drilled |
| you all had pre-drilled |
| they had pre-drilled |
|
| I had been pre-drilling |
| you had been pre-drilling |
| he/she/it had been pre-drilling |
| we had been pre-drilling |
| you all had been pre-drilling |
| they had been pre-drilling |
|
| Future |
| I will pre-drill |
| you will pre-drill |
| he/she/it will pre-drill |
| we will pre-drill |
| you all will pre-drill |
| they will pre-drill |
|
| I will be pre-drilling |
| you will be pre-drilling |
| he/she/it will be pre-drilling |
| we are pre-drilling |
| you all will be pre-drilling |
| they will be pre-drilling |
|
| I will have pre-drilled |
| you will have pre-drilled |
| he/she/it will have pre-drilled |
| we will have pre-drilled |
| you all will have pre-drilled |
| they will have pre-drilled |
|
| I will have been pre-drilling |
| you will have been pre-drilling |
| he/she/it will have been pre-drilling |
| we will have been pre-drilling |
| you all will have been pre-drilling |
| they will have been pre-drilling |
|
