I'd be fevering you'd be fevering she'd be fevering we'd be fevering you'd be fevering they'd be fevering
Perfect
I should've fevered you should've fevered she should've fevered we should've fevered you should've fevered they should've fevered
V-ing perfect
I should've been fevering you should've been fevering she should've been fevering we should've been fevering you should've been fevering they should've been fevering
Negation
Simple form
I shouldn't fever you shouldn't fever she shouldn't fever we shouldn't fever you shouldn't fever they shouldn't fever
V-ing form
I shouldn't be fevering you shouldn't be fevering she shouldn't be fevering we shouldn't be fevering you shouldn't be fevering they shouldn't be fevering
Perfect
I shouldn't have fevered you shouldn't have fevered she shouldn't have fevered we shouldn't have fevered you shouldn't have fevered they shouldn't have fevered
V-ing perfect
I shouldn't have been fevering you shouldn't have been fevering she shouldn't have been fevering we shouldn't have been fevering you shouldn't have been fevering they shouldn't have been fevering
Interrogative form
Simple form
should I fever? should you fever? should she fever? should we fever? should you fever? should they fever?
V-ing form
should I be fevering? should you be fevering? should she be fevering? should we be fevering? should you be fevering? should they be fevering?
Perfect
should I have fevered? should you have fevered? should she have fevered? should we have fevered? should you have fevered? should they have fevered?
V-ing perfect
should I have been fevering? should you have been fevering? should she have been fevering? should we have been fevering? should you have been fevering? should they have been fevering?
Interro-negative form
Simple form
shouldn't I fever? shouldn't you fever? shouldn't she fever? shouldn't we fever? shouldn't you fever? shouldn't they fever?
V-ing form
shouldn't I be fevering? shouldn't you be fevering? shouldn't she be fevering? shouldn't we be fevering? shouldn't you be fevering? shouldn't they be fevering?
Perfect
shouldn't I have fevered? shouldn't you have fevered? shouldn't she have fevered? shouldn't we have fevered? shouldn't you have fevered? shouldn't they have fevered?
V-ing perfect
shouldn't I have been fevering? shouldn't you have been fevering? shouldn't she have been fevering? shouldn't we have been fevering? shouldn't you have been fevering? shouldn't they have been fevering?