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