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