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