| Presente (Present) "refute" | I | refute | |
| Presente continuo (Present Continuous) "refute" | I | am refuting | |
| Pasado simple (Simple past) "refute" | I | refuted | |
| Pasado continuo (Past Continuous) "refute" | I | was refuting | |
| Presente perfecto (Present perfect) "refute" | I | have refuted | |
| Presente perfecto continuo (Present perfect continuous) "refute" | I | have been refuting | |
| Pasado perfecto (Past perfect) "refute" | I | had refuted | |
| Pasado perfecto continuo (Past perfect continuous) "refute" | I | had been refuting | |
| Futuro (Future) "refute" | I | will refute | |
| Futuro continuo (Future continuous) "refute" | I | will be refuting | |
| Futuro perfecto (Future perfect) "refute" | I | will have refuted | |
| Futuro perfecto continuo (Future perfect continuous) "refute" | I | will have been refuting |