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