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