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