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