don't I preserve? don't you preserve? doesn't he preserve? don't we preserve? don't you preserve? don't they preserve?
Presente continuo
am I not preserving? aren't you preserving? isn't he preserving? aren't we preserving? aren't you preserving? aren't they preserving?
Preterito
didn't I preserve? didn't you preserve? didn't he preserve? didn't we preserve? didn't you preserve? didn't they preserve?
Preterite continua
wasn't I preserving? weren't you preserving? wasn't he preserving? weren't we preserving? weren't you preserving? weren't they preserving?
Presente perfetto
haven't I preserved? haven't you preserved? hasn't he preserved? haven't we preserved? haven't you preserved? haven't they preserved?
Presente perfetto continuo
haven't I been preserving? haven't you been preserving? hasn't he been preserving? haven't we been preserving? haven't you been preserving? haven't they been preserving?
Piuccheperfetto
hadn't I preserved? hadn't you preserved? hadn't he preserved? hadn't we preserved? hadn't you preserved? hadn't they preserved?
Piuccheperfetto continuo
hadn't I been preserving? hadn't you been preserving? hadn't he been preserving? hadn't we been preserving? hadn't you been preserving? hadn't they been preserving?
Futuro semplice
won't I preserve? won't you preserve? won't he preserve? won't we preserve? won't you preserve? won't they preserve?
Futuro continuo
won't I be preserving? won't you be preserving? won't he be preserving? won't we be preserving? won't you be preserving? won't they be preserving?
Futuro anteriore
won't I have preserved? won't you have preserved? won't he have preserved? won't we have preserved? won't you have preserved? won't they have preserved?
Futuro anteriore contínuo
won't I have been preserving? won't you have been preserving? won't he have been preserving? won't we have been preserving? won't you have been preserving? won't they have been preserving?
Condizionale
Presente
wouldn't I preserve? wouldn't you preserve? wouldn't he preserve? wouldn't we preserve? wouldn't you preserve? wouldn't they preserve?
Presente continuo
wouldn't I be preserving? wouldn't you be preserving? wouldn't he be preserving? wouldn't we be preserving? wouldn't you be preserving? wouldn't they be preserving?
Passato
wouldn't I have preserved? wouldn't you have preserved? wouldn't he have preserved? wouldn't we have preserved? wouldn't you have preserved? wouldn't they have preserved?
Passato continuo
wouldn't I have been preserving? wouldn't you have been preserving? wouldn't he have been preserving? wouldn't we have been preserving? wouldn't you have been preserving? wouldn't they have been preserving?