| Present Simple - Presente (Present) "know" | I | know | |
| Presente Contínuo (Present Continuous) (Present Continuous) "know" | I | am knowing | |
| Tempo passado (Simple past) "know" | I | knew | |
| Passado Contínuo (Past Continuous) "know" | I | was knowing | |
| Present Perfect (Present perfect) "know" | I | have known | |
| Perfeito Presente Contínuo (Present Perfect Continuous) "know" | I | have been knowing | |
| Past Perfect (Present perfect) "know" | I | had known | |
| Perfeito presente contínuo (Past perfect continuous) "know" | I | had been knowing | |
| O futuro (Future) "know" | I | will know | |
| Futuro do Pretérito (Future Continuous) "know" | I | will be knowing | |
| Futuro (Future perfect) "know" | I | will have known | |
| Perfeito Futuro do Pretérito (Future perfect continuous) "know" | I | will have been knowing |