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