
Verbe régulier : preserve -  preserved - preserved
Traduction française : conserver - préserver 
| Présent | Présent continu | Prétérit | Prétérit continu | 
| do I preserve? do you preserve? does he preserve? do we preserve? do you preserve? do they preserve? | am I preserving? are you preserving? is he preserving? are we preserving? are you preserving? are they preserving? | did I preserve? did you preserve? did he preserve? did we preserve? did you preserve? did they preserve? | was I preserving? were you preserving? was he preserving? were we preserving? were you preserving? were they preserving? | 
| Present perfect | Present perfect continu | Pluperfect | Pluperfect continu | 
| have I preserved? have you preserved? has he preserved? have we preserved? have you preserved? have they preserved? | have I been preserving? have you been preserving? has he been preserving? have we been preserving? have you been preserving? have they been preserving? | had I preserved? had you preserved? had he preserved? had we preserved? had you preserved? had they preserved? | had I been preserving? had you been preserving? had he been preserving? had we been preserving? had you been preserving? had they been preserving? | 
| Futur | Futur continu | Futur antérieur | Futur antérieur continu | 
| will I preserve? will you preserve? will he preserve? will we preserve? will you preserve? will they preserve? | will I be preserving? will you be preserving? will he be preserving? will we be preserving? will you be preserving? will they be preserving? | will I have preserved? will you have preserved? will he have preserved? will we have preserved? will you have preserved? will they have preserved? | will I have been preserving? will you have been preserving? will he have been preserving? will we have been preserving? will you have been preserving? will they have been preserving? | 
| Présent | Présent continu | Passé | Passé continu | 
| would I preserve? would you preserve? would he preserve? would we preserve? would you preserve? would they preserve? | would I be preserving? would you be preserving? would he be preserving? would we be preserving? would you be preserving? would they be preserving? | would I have preserved? would you have preserved? would he have preserved? would we have preserved? would you have preserved? would they have preserved? | would I have been preserving? would you have been preserving? would he have been preserving? would we have been preserving? would you have been preserving? would they have been preserving? | 
| Infinitif | Impératif | 
| Infinitif | Impératif | ||
| to preserve | - - - | 
| Présent | Passé | ||
| preserving | preserved |