| Presente (Present) "confirm" | I | confirm | |
| Presente continuo (Present Continuous) "confirm" | I | am confirming | |
| Pasado simple (Simple past) "confirm" | I | confirmed | |
| Pasado continuo (Past Continuous) "confirm" | I | was confirming | |
| Presente perfecto (Present perfect) "confirm" | I | have confirmed | |
| Presente perfecto continuo (Present perfect continuous) "confirm" | I | have been confirming | |
| Pasado perfecto (Past perfect) "confirm" | I | had confirmed | |
| Pasado perfecto continuo (Past perfect continuous) "confirm" | I | had been confirming | |
| Futuro (Future) "confirm" | I | will confirm | |
| Futuro continuo (Future continuous) "confirm" | I | will be confirming | |
| Futuro perfecto (Future perfect) "confirm" | I | will have confirmed | |
| Futuro perfecto continuo (Future perfect continuous) "confirm" | I | will have been confirming |