don't I ko? don't you ko? doesn't he 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 he koing? aren't we koing? aren't you koing? aren't they koing?
Pretérito
didn't I ko? didn't you ko? didn't he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he have been koing? wouldn't we have been koing? wouldn't you have been koing? wouldn't they have been koing?