don't I fever? don't you fever? doesn't he fever? don't we fever? don't you fever? don't they fever?
Present continuous
am I not fevering? aren't you fevering? isn't he fevering? aren't we fevering? aren't you fevering? aren't they fevering?
Preterite
didn't I fever? didn't you fever? didn't he fever? didn't we fever? didn't you fever? didn't they fever?
Preterite continuous
wasn't I fevering? weren't you fevering? wasn't he fevering? weren't we fevering? weren't you fevering? weren't they fevering?
Present perfect
haven't I fevered? haven't you fevered? hasn't he fevered? haven't we fevered? haven't you fevered? haven't they fevered?
Present perfect continuous
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?
Pluperfect
hadn't I fevered? hadn't you fevered? hadn't he fevered? hadn't we fevered? hadn't you fevered? hadn't they fevered?
Pluperfect continuous
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?
Future
won't I fever? won't you fever? won't he fever? won't we fever? won't you fever? won't they fever?
Future continuous
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?
Future perfect
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?
Future perfect continuous
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?
Conditional
Present
wouldn't I fever? wouldn't you fever? wouldn't he fever? wouldn't we fever? wouldn't you fever? wouldn't they fever?
Present continuous
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?
Past
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?
Past continuous
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?