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