don't I ko? don't you ko? doesn't she ko? don't we ko? don't you ko? don't they ko?
Presente continuo
am I not koing? aren't you koing? isn't she koing? aren't we koing? aren't you koing? aren't they koing?
Pretérito
didn't I ko? didn't you ko? didn't she ko? didn't we ko? didn't you ko? didn't they ko?
Pretérito continuo
wasn't I koing? weren't you koing? wasn't she koing? weren't we koing? weren't you koing? weren't they koing?
Presente perfecto
haven't I koed? haven't you koed? hasn't she koed? haven't we koed? haven't you koed? haven't they koed?
Presente perfecto continuo
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?
Pluscuamperfecto
hadn't I koed? hadn't you koed? hadn't she koed? hadn't we koed? hadn't you koed? hadn't they koed?
Pluscuamperfecto continuo
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?
Futuro simple
won't I ko? won't you ko? won't she ko? won't we ko? won't you ko? won't they ko?
Futuro continuo
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?
Futuro perfecto
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?
Futuro perfecto contínuo
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?
Condicional
Presente
wouldn't I ko? wouldn't you ko? wouldn't she ko? wouldn't we ko? wouldn't you ko? wouldn't they ko?
Presente continuo
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?
Passado
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?
Passado continuo
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?