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