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