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