
Verbo regular: preserve - preserved - preserved
Presente | Presente continuo | Pretérito | Pretérito continuo | 
|  don't I preserve? don't you preserve? doesn't she preserve? don't we preserve? don't you preserve? don't they preserve?  | am I not preserving? aren't you preserving? isn't she preserving? aren't we preserving? aren't you preserving? aren't they preserving?  | didn't I preserve? didn't you preserve? didn't she preserve? didn't we preserve? didn't you preserve? didn't they preserve?  |  wasn't I preserving? weren't you preserving? wasn't she preserving? weren't we preserving? weren't you preserving? weren't they preserving?  | 
Presente perfecto | Presente perfecto continuo | Pluscuamperfecto | Pluscuamperfecto continuo | 
| haven't I preserved? haven't you preserved? hasn't she preserved? haven't we preserved? haven't you preserved? haven't they preserved?  | haven't I been preserving? haven't you been preserving? hasn't she been preserving? haven't we been preserving? haven't you been preserving? haven't they been preserving?  | hadn't I preserved? hadn't you preserved? hadn't she preserved? hadn't we preserved? hadn't you preserved? hadn't they preserved?  | hadn't I been preserving? hadn't you been preserving? hadn't she been preserving? hadn't we been preserving? hadn't you been preserving? hadn't they been preserving?  | 
Futuro simple | Futuro continuo | Futuro perfecto | Futuro perfecto contínuo | 
| won't I preserve? won't you preserve? won't she preserve? won't we preserve? won't you preserve? won't they preserve?  | won't I be preserving? won't you be preserving? won't she be preserving? won't we be preserving? won't you be preserving? won't they be preserving?  | won't I have preserved? won't you have preserved? won't she have preserved? won't we have preserved? won't you have preserved? won't they have preserved?  | won't I have been preserving? won't you have been preserving? won't she have been preserving? won't we have been preserving? won't you have been preserving? won't they have been preserving?  | 
Presente | Presente continuo | Passado | Passado continuo | 
| wouldn't I preserve? wouldn't you preserve? wouldn't she preserve? wouldn't we preserve? wouldn't you preserve? wouldn't they preserve?  | wouldn't I be preserving? wouldn't you be preserving? wouldn't she be preserving? wouldn't we be preserving? wouldn't you be preserving? wouldn't they be preserving?  | wouldn't I have preserved? wouldn't you have preserved? wouldn't she have preserved? wouldn't we have preserved? wouldn't you have preserved? wouldn't they have preserved?  | wouldn't I have been preserving? wouldn't you have been preserving? wouldn't she have been preserving? wouldn't we have been preserving? wouldn't you have been preserving? wouldn't they have been preserving?  | 
Infinitivo | Imperativo | 
Infinitivo | Imperativo | ||
| to preserve | - - -  | 
Presente | Passado | ||
| preserving | preserved |