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