don't I confirm? don't you confirm? doesn't she confirm? don't we confirm? don't you confirm? don't they confirm?
Present continuous
am I not confirming? aren't you confirming? isn't she confirming? aren't we confirming? aren't you confirming? aren't they confirming?
Preterite
didn't I confirm? didn't you confirm? didn't she confirm? didn't we confirm? didn't you confirm? didn't they confirm?
Preterite continuous
wasn't I confirming? weren't you confirming? wasn't she confirming? weren't we confirming? weren't you confirming? weren't they confirming?
Present perfect
haven't I confirmed? haven't you confirmed? hasn't she confirmed? haven't we confirmed? haven't you confirmed? haven't they confirmed?
Present perfect continuous
haven't I been confirming? haven't you been confirming? hasn't she been confirming? haven't we been confirming? haven't you been confirming? haven't they been confirming?
Pluperfect
hadn't I confirmed? hadn't you confirmed? hadn't she confirmed? hadn't we confirmed? hadn't you confirmed? hadn't they confirmed?
Pluperfect continuous
hadn't I been confirming? hadn't you been confirming? hadn't she been confirming? hadn't we been confirming? hadn't you been confirming? hadn't they been confirming?
Future
won't I confirm? won't you confirm? won't she confirm? won't we confirm? won't you confirm? won't they confirm?
Future continuous
won't I be confirming? won't you be confirming? won't she be confirming? won't we be confirming? won't you be confirming? won't they be confirming?
Future perfect
won't I have confirmed? won't you have confirmed? won't she have confirmed? won't we have confirmed? won't you have confirmed? won't they have confirmed?
Future perfect continuous
won't I have been confirming? won't you have been confirming? won't she have been confirming? won't we have been confirming? won't you have been confirming? won't they have been confirming?
Conditional
Present
wouldn't I confirm? wouldn't you confirm? wouldn't she confirm? wouldn't we confirm? wouldn't you confirm? wouldn't they confirm?
Present continuous
wouldn't I be confirming? wouldn't you be confirming? wouldn't she be confirming? wouldn't we be confirming? wouldn't you be confirming? wouldn't they be confirming?
Past
wouldn't I have confirmed? wouldn't you have confirmed? wouldn't she have confirmed? wouldn't we have confirmed? wouldn't you have confirmed? wouldn't they have confirmed?
Past continuous
wouldn't I have been confirming? wouldn't you have been confirming? wouldn't she have been confirming? wouldn't we have been confirming? wouldn't you have been confirming? wouldn't they have been confirming?