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