| Präsens (Present) "occur" | I | occur | |
| Präsens Verlaufsform (Present continuous) "occur" | I | am occurring | |
| Präteritum (Simple past) "occur" | I | occurred | |
| Perfekt Verlaufsform (Past Continuous) "occur" | I | was occurring | |
| Present Perfect (Präsens) "occur" | I | have occurred | |
| Present Continuous (Futur) "occur" | I | have been occurring | |
| Plusquamperfekt (Past perfect) "occur" | I | had occurred | |
| Plusquamperfekt Verlaufsform (Past perfect continuous) "occur" | I | had been occurring | |
| Futur I (Future) "occur" | I | will occur | |
| Futur I Verlaufsform (Future continuous) "occur" | I | will be occurring | |
| Futur II (Future perfect) "occur" | I | will have occurred | |
| Futur II Verlaufsform (Future perfect continuous) "occur" | I | will have been occurring |