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