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