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