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