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