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