I may barrack you may barrack she may barrack we may barrack you may barrack they may barrack
V-ing form
I may be barracking you may be barracking she may be barracking we may be barracking you may be barracking they may be barracking
Perfect
I may have barracked you may have barracked she may have barracked we may have barracked you may have barracked they may have barracked
V-ing perfect
I may have been barracking you may have been barracking she may have been barracking we may have been barracking you may have been barracking they may have been barracking
Negation
Simple form
I mayn't barrack you mayn't barrack she mayn't barrack we mayn't barrack you mayn't barrack they mayn't barrack
V-ing form
I mayn't be barracking you mayn't be barracking she mayn't be barracking we mayn't be barracking you mayn't be barracking they mayn't be barracking
Perfect
I mayn't have barracked you mayn't have barracked she mayn't have barracked we mayn't have barracked you mayn't have barracked they mayn't have barracked
V-ing perfect
I mayn't have been barracking you mayn't have been barracking she mayn't have been barracking we mayn't have been barracking you mayn't have been barracking they mayn't have been barracking
Interrogative form
Simple form
may I barrack? may you barrack? may she barrack? may we barrack? may you barrack? may they barrack?
V-ing form
may I be barracking? may you be barracking? may she be barracking? may we be barracking? may you be barracking? may they be barracking?
Perfect
may I have barracked? may you have barracked? may she have barracked? may we have barracked? may you have barracked? may they have barracked?
V-ing perfect
may I have been barracking? may you have been barracking? may she have been barracking? may we have been barracking? may you have been barracking? may they have been barracking?
Interro-negative form
Simple form
mayn't I barrack? mayn't you barrack? mayn't she barrack? mayn't we barrack? mayn't you barrack? mayn't they barrack?
V-ing form
mayn't I be barracking? mayn't you be barracking? mayn't she be barracking? mayn't we be barracking? mayn't you be barracking? mayn't they be barracking?
Perfect
mayn't I have barracked? mayn't you have barracked? mayn't she have barracked? mayn't we have barracked? mayn't you have barracked? mayn't they have barracked?
V-ing perfect
mayn't I have been barracking? mayn't you have been barracking? mayn't she have been barracking? mayn't we have been barracking? mayn't you have been barracking? mayn't they have been barracking?