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