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