| Simple | Progressive | Perfect | Progressive |
| Present |
| I confirm |
| you confirm |
| he/she/it confirms |
| we confirm |
| you all confirm |
| they confirm |
|
| I am confirming |
| you are confirming |
| he/she/it is confirming |
| we are confirming |
| you all are confirming |
| they are confirming |
|
| I have confirmed |
| you have confirmed |
| he/she/it has confirmed |
| we have confirmed |
| you all have confirmed |
| they have confirmed |
|
| I have been confirming |
| you have been confirming |
| he/she/it has been confirming |
| we have been confirming |
| you all have been confirming |
| they have been confirming |
|
| Past |
| I confirmed |
| you confirmed |
| he/she/it confirmed |
| we confirmed |
| you all confirmed |
| they confirmed |
|
| I was confirming |
| you were confirming |
| he/she/it was confirming |
| we were confirming |
| you all were confirming |
| they were confirming |
|
| I had confirmed |
| you had confirmed |
| he/she/it had confirmed |
| we had confirmed |
| you all had confirmed |
| they had confirmed |
|
| I had been confirming |
| you had been confirming |
| he/she/it had been confirming |
| we had been confirming |
| you all had been confirming |
| they had been confirming |
|
| Future |
| I will confirm |
| you will confirm |
| he/she/it will confirm |
| we will confirm |
| you all will confirm |
| they will confirm |
|
| I will be confirming |
| you will be confirming |
| he/she/it will be confirming |
| we are confirming |
| you all will be confirming |
| they will be confirming |
|
| I will have confirmed |
| you will have confirmed |
| he/she/it will have confirmed |
| we will have confirmed |
| you all will have confirmed |
| they will have confirmed |
|
| I will have been confirming |
| you will have been confirming |
| he/she/it will have been confirming |
| we will have been confirming |
| you all will have been confirming |
| they will have been confirming |
|
