| Presente (Present) "know" | I | know | |
| Presente continuo (Present Continuous) "know" | I | am knowing | |
| Pasado simple (Simple past) "know" | I | knew | |
| Pasado continuo (Past Continuous) "know" | I | was knowing | |
| Presente perfecto (Present perfect) "know" | I | have known | |
| Presente perfecto continuo (Present perfect continuous) "know" | I | have been knowing | |
| Pasado perfecto (Past perfect) "know" | I | had known | |
| Pasado perfecto continuo (Past perfect continuous) "know" | I | had been knowing | |
| Futuro (Future) "know" | I | will know | |
| Futuro continuo (Future continuous) "know" | I | will be knowing | |
| Futuro perfecto (Future perfect) "know" | I | will have known | |
| Futuro perfecto continuo (Future perfect continuous) "know" | I | will have been knowing |