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