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 may not barrack you may not barrack she may not barrack we may not barrack you may not barrack they may not barrack
V-ing form
I may not be barracking you may not be barracking she may not be barracking we may not be barracking you may not be barracking they may not be barracking
Perfect
I may not have barracked you may not have barracked she may not have barracked we may not have barracked you may not have barracked they may not have barracked
V-ing perfect
I may not have been barracking you may not have been barracking she may not have been barracking we may not have been barracking you may not have been barracking they may not 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
may I not barrack? may you not barrack? may she not barrack? may we not barrack? may you not barrack? may they not barrack?
V-ing form
may I not be barracking? may you not be barracking? may she not be barracking? may we not be barracking? may you not be barracking? may they not be barracking?
Perfect
may I not have barracked? may you not have barracked? may she not have barracked? may we not have barracked? may you not have barracked? may they not have barracked?
V-ing perfect
may I not have been barracking? may you not have been barracking? may she not have been barracking? may we not have been barracking? may you not have been barracking? may they not have been barracking?