| Présent (Present) "underfeed" | I | underfeed | |
| Présent continu (Present Continuous) "underfeed" | I | am underfeeding | |
| Passé (Simple past) "underfeed" | I | underfed | |
| Passé antérieur (Past Continuous) "underfeed" | I | was underfeeding | |
| Présent parfait (Present perfect) "underfeed" | I | have underfed | |
| Continu Présent (Present perfect continuous) "underfeed" | I | have been underfeeding | |
| Imparfait (Past perfect) "underfeed" | I | had underfed | |
| Plus-que-parfait (Past perfect continuous) "underfeed" | I | had been underfeeding | |
| Futur simple (Future) "underfeed" | I | will underfeed | |
| Futur (Future continuous) "underfeed" | I | will be underfeeding | |
| Futur antérieur (Future perfect) "underfeed" | I | will have underfed | |
| Futur antérieur continu (Future perfect continuous) "underfeed" | I | will have been underfeeding |