I ought to ail you ought to ail he ought to ail we ought to ail you ought to ail they ought to ail
V-ing form
I ought to be ailing you ought to be ailing he ought to be ailing we ought to be ailing you ought to be ailing they ought to be ailing
Perfect
I ought to have ailed you ought to have ailed he ought to have ailed we ought to have ailed you ought to have ailed they ought to have ailed
V-ing perfect
I ought to have been ailing you ought to have been ailing he ought to have been ailing we ought to have been ailing you ought to have been ailing they ought to have been ailing
Negation
Simple form
I oughtn't to ail you oughtn't to ail he oughtn't to ail we oughtn't to ail you oughtn't to ail they oughtn't to ail
V-ing form
I oughtn't to be ailing you oughtn't to be ailing he oughtn't to be ailing we oughtn't to be ailing you oughtn't to be ailing they oughtn't to be ailing
Perfect
I oughtn't to have ailed you oughtn't to have ailed he oughtn't to have ailed we oughtn't to have ailed you oughtn't to have ailed they oughtn't to have ailed
V-ing perfect
I oughtn't to have been ailing you oughtn't to have been ailing he oughtn't to have been ailing we oughtn't to have been ailing you oughtn't to have been ailing they oughtn't to have been ailing
Interrogative form
Simple form
ought to I ail? ought to you ail? ought to he ail? ought to we ail? ought to you ail? ought to they ail?
V-ing form
ought to I be ailing? ought to you be ailing? ought to he be ailing? ought to we be ailing? ought to you be ailing? ought to they be ailing?
Perfect
ought to I have ailed? ought to you have ailed? ought to he have ailed? ought to we have ailed? ought to you have ailed? ought to they have ailed?
V-ing perfect
ought to I have been ailing? ought to you have been ailing? ought to he have been ailing? ought to we have been ailing? ought to you have been ailing? ought to they have been ailing?
Interro-negative form
Simple form
oughtn't I to ail? oughtn't you to ail? oughtn't he to ail? oughtn't we to ail? oughtn't you to ail? oughtn't they to ail?
V-ing form
oughtn't I to be ailing? oughtn't you to be ailing? oughtn't he to be ailing? oughtn't we to be ailing? oughtn't you to be ailing? oughtn't they to be ailing?
Perfect
oughtn't I to have ailed? oughtn't you to have ailed? oughtn't he to have ailed? oughtn't we to have ailed? oughtn't you to have ailed? oughtn't they to have ailed?
V-ing perfect
oughtn't I to have been ailing? oughtn't you to have been ailing? oughtn't he to have been ailing? oughtn't we to have been ailing? oughtn't you to have been ailing? oughtn't they to have been ailing?