I should fever you should fever he should fever we should fever you should fever they should fever
V-ing form
I should be fevering you should be fevering he should be fevering we should be fevering you should be fevering they should be fevering
Perfect
I should have fevered you should have fevered he should have fevered we should have fevered you should have fevered they should have fevered
V-ing perfect
I should have been fevering you should have been fevering he should have been fevering we should have been fevering you should have been fevering they should have been fevering
Negation
Simple form
I should not fever you should not fever he should not fever we should not fever you should not fever they should not fever
V-ing form
I should not be fevering you should not be fevering he should not be fevering we should not be fevering you should not be fevering they should not be fevering
Perfect
I should not have fevered you should not have fevered he should not have fevered we should not have fevered you should not have fevered they should not have fevered
V-ing perfect
I should not have been fevering you should not have been fevering he should not have been fevering we should not have been fevering you should not have been fevering they should not have been fevering
Interrogative form
Simple form
should I fever? should you fever? should he fever? should we fever? should you fever? should they fever?
V-ing form
should I be fevering? should you be fevering? should he be fevering? should we be fevering? should you be fevering? should they be fevering?
Perfect
should I have fevered? should you have fevered? should he 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 he have been fevering? should we have been fevering? should you have been fevering? should they have been fevering?
Interro-negative form
Simple form
should I not fever? should you not fever? should he not fever? should we not fever? should you not fever? should they not fever?
V-ing form
should I not be fevering? should you not be fevering? should he not be fevering? should we not be fevering? should you not be fevering? should they not be fevering?
Perfect
should I not have fevered? should you not have fevered? should he not have fevered? should we not have fevered? should you not have fevered? should they not have fevered?
V-ing perfect
should I not have been fevering? should you not have been fevering? should he not have been fevering? should we not have been fevering? should you not have been fevering? should they not have been fevering?