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