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