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