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