| Present Simple - Presente (Present) "underfeed" | I | underfeed | |
| Presente Contínuo (Present Continuous) (Present Continuous) "underfeed" | I | am underfeeding | |
| Tempo passado (Simple past) "underfeed" | I | underfed | |
| Passado Contínuo (Past Continuous) "underfeed" | I | was underfeeding | |
| Present Perfect (Present perfect) "underfeed" | I | have underfed | |
| Perfeito Presente Contínuo (Present Perfect Continuous) "underfeed" | I | have been underfeeding | |
| Past Perfect (Present perfect) "underfeed" | I | had underfed | |
| Perfeito presente contínuo (Past perfect continuous) "underfeed" | I | had been underfeeding | |
| O futuro (Future) "underfeed" | I | will underfeed | |
| Futuro do Pretérito (Future Continuous) "underfeed" | I | will be underfeeding | |
| Futuro (Future perfect) "underfeed" | I | will have underfed | |
| Perfeito Futuro do Pretérito (Future perfect continuous) "underfeed" | I | will have been underfeeding |