don't I fester? don't you fester? doesn't he fester? don't we fester? don't you fester? don't they fester?
Presente continuo
am I not festering? aren't you festering? isn't he festering? aren't we festering? aren't you festering? aren't they festering?
Pretérito
didn't I fester? didn't you fester? didn't he fester? didn't we fester? didn't you fester? didn't they fester?
Pretérito continuo
wasn't I festering? weren't you festering? wasn't he festering? weren't we festering? weren't you festering? weren't they festering?
Presente perfecto
haven't I festered? haven't you festered? hasn't he festered? haven't we festered? haven't you festered? haven't they festered?
Presente perfecto continuo
haven't I been festering? haven't you been festering? hasn't he been festering? haven't we been festering? haven't you been festering? haven't they been festering?
Pluscuamperfecto
hadn't I festered? hadn't you festered? hadn't he festered? hadn't we festered? hadn't you festered? hadn't they festered?
Pluscuamperfecto continuo
hadn't I been festering? hadn't you been festering? hadn't he been festering? hadn't we been festering? hadn't you been festering? hadn't they been festering?
Futuro simple
won't I fester? won't you fester? won't he fester? won't we fester? won't you fester? won't they fester?
Futuro continuo
won't I be festering? won't you be festering? won't he be festering? won't we be festering? won't you be festering? won't they be festering?
Futuro perfecto
won't I have festered? won't you have festered? won't he have festered? won't we have festered? won't you have festered? won't they have festered?
Futuro perfecto contínuo
won't I have been festering? won't you have been festering? won't he have been festering? won't we have been festering? won't you have been festering? won't they have been festering?
Condicional
Presente
wouldn't I fester? wouldn't you fester? wouldn't he fester? wouldn't we fester? wouldn't you fester? wouldn't they fester?
Presente continuo
wouldn't I be festering? wouldn't you be festering? wouldn't he be festering? wouldn't we be festering? wouldn't you be festering? wouldn't they be festering?
Passado
wouldn't I have festered? wouldn't you have festered? wouldn't he have festered? wouldn't we have festered? wouldn't you have festered? wouldn't they have festered?
Passado continuo
wouldn't I have been festering? wouldn't you have been festering? wouldn't he have been festering? wouldn't we have been festering? wouldn't you have been festering? wouldn't they have been festering?