I may assail you may assail she may assail we may assail you may assail they may assail
V-ing form
I may be assailing you may be assailing she may be assailing we may be assailing you may be assailing they may be assailing
Perfect
I may have assailed you may have assailed she 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 she 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 she 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 she 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 she 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 she 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 she assail? may we assail? may you assail? may they assail?
V-ing form
may I be assailing? may you be assailing? may she be assailing? may we be assailing? may you be assailing? may they be assailing?
Perfect
may I have assailed? may you have assailed? may she 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 she 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 she 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 she 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 she 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 she have been assailing? mayn't we have been assailing? mayn't you have been assailing? mayn't they have been assailing?