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