| Presente (Present) "fatigue" | I | fatigue | |
| Presente continuo (Present Continuous) "fatigue" | I | am fatiguing | |
| Pasado simple (Simple past) "fatigue" | I | fatigued | |
| Pasado continuo (Past Continuous) "fatigue" | I | was fatiguing | |
| Presente perfecto (Present perfect) "fatigue" | I | have fatigued | |
| Presente perfecto continuo (Present perfect continuous) "fatigue" | I | have been fatiguing | |
| Pasado perfecto (Past perfect) "fatigue" | I | had fatigued | |
| Pasado perfecto continuo (Past perfect continuous) "fatigue" | I | had been fatiguing | |
| Futuro (Future) "fatigue" | I | will fatigue | |
| Futuro continuo (Future continuous) "fatigue" | I | will be fatiguing | |
| Futuro perfecto (Future perfect) "fatigue" | I | will have fatigued | |
| Futuro perfecto continuo (Future perfect continuous) "fatigue" | I | will have been fatiguing |