| Présent (Present) "preserve" | I | preserve | |
| Présent continu (Present Continuous) "preserve" | I | am preserving | |
| Passé (Simple past) "preserve" | I | preserved | |
| Passé antérieur (Past Continuous) "preserve" | I | was preserving | |
| Présent parfait (Present perfect) "preserve" | I | have preserved | |
| Continu Présent (Present perfect continuous) "preserve" | I | have been preserving | |
| Imparfait (Past perfect) "preserve" | I | had preserved | |
| Plus-que-parfait (Past perfect continuous) "preserve" | I | had been preserving | |
| Futur simple (Future) "preserve" | I | will preserve | |
| Futur (Future continuous) "preserve" | I | will be preserving | |
| Futur antérieur (Future perfect) "preserve" | I | will have preserved | |
| Futur antérieur continu (Future perfect continuous) "preserve" | I | will have been preserving |