| Presente (Present) "prolong" | I | prolong | |
| Presente Progressivo (Present Continuous) "prolong" | I | am prolonging | |
| Passato semplice (Simple past) "prolong" | I | prolonged | |
| Past Continuous (Past Continuous) "prolong" | I | was prolonging | |
| Regalo perfetto (Present perfect) "prolong" | I | have prolonged | |
| Trapassato prossimo (Present perfect continuous) "prolong" | I | have been prolonging | |
| Passato perfetto (Past perfect) "prolong" | I | had prolonged | |
| Trapassato remoto (Past perfect continuous) "prolong" | I | had been prolonging | |
| Futuro (Future) "prolong" | I | will prolong | |
| Trapassato remoto (Future continuous) "prolong" | I | will be prolonging | |
| Futuro perfetto (Future perfect) "prolong" | I | will have prolonged | |
| Congiuntivo (Future perfect continuous) "prolong" | I | will have been prolonging |