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