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