I'd ail you'd ail he'd ail we'd ail you'd ail they'd ail
V-ing form
I'd be ailing you'd be ailing he'd be ailing we'd be ailing you'd be ailing they'd be ailing
Perfect
I should've ailed you should've ailed he should've ailed we should've ailed you should've ailed they should've ailed
V-ing perfect
I should've been ailing you should've been ailing he should've been ailing we should've been ailing you should've been ailing they should've been ailing
Negation
Simple form
I shouldn't ail you shouldn't ail he shouldn't ail we shouldn't ail you shouldn't ail they shouldn't ail
V-ing form
I shouldn't be ailing you shouldn't be ailing he shouldn't be ailing we shouldn't be ailing you shouldn't be ailing they shouldn't be ailing
Perfect
I shouldn't have ailed you shouldn't have ailed he shouldn't have ailed we shouldn't have ailed you shouldn't have ailed they shouldn't have ailed
V-ing perfect
I shouldn't have been ailing you shouldn't have been ailing he shouldn't have been ailing we shouldn't have been ailing you shouldn't have been ailing they shouldn't have been ailing
Interrogative form
Simple form
should I ail? should you ail? should he ail? should we ail? should you ail? should they ail?
V-ing form
should I be ailing? should you be ailing? should he be ailing? should we be ailing? should you be ailing? should they be ailing?
Perfect
should I have ailed? should you have ailed? should he have ailed? should we have ailed? should you have ailed? should they have ailed?
V-ing perfect
should I have been ailing? should you have been ailing? should he have been ailing? should we have been ailing? should you have been ailing? should they have been ailing?
Interro-negative form
Simple form
shouldn't I ail? shouldn't you ail? shouldn't he ail? shouldn't we ail? shouldn't you ail? shouldn't they ail?
V-ing form
shouldn't I be ailing? shouldn't you be ailing? shouldn't he be ailing? shouldn't we be ailing? shouldn't you be ailing? shouldn't they be ailing?
Perfect
shouldn't I have ailed? shouldn't you have ailed? shouldn't he have ailed? shouldn't we have ailed? shouldn't you have ailed? shouldn't they have ailed?
V-ing perfect
shouldn't I have been ailing? shouldn't you have been ailing? shouldn't he have been ailing? shouldn't we have been ailing? shouldn't you have been ailing? shouldn't they have been ailing?