I may pack you may pack she may pack we may pack you may pack they may pack
V-ing form
I may be packing you may be packing she may be packing we may be packing you may be packing they may be packing
Perfect
I may have packed you may have packed she may have packed we may have packed you may have packed they may have packed
V-ing perfect
I may have been packing you may have been packing she may have been packing we may have been packing you may have been packing they may have been packing
Negation
Simple form
I may not pack you may not pack she may not pack we may not pack you may not pack they may not pack
V-ing form
I may not be packing you may not be packing she may not be packing we may not be packing you may not be packing they may not be packing
Perfect
I may not have packed you may not have packed she may not have packed we may not have packed you may not have packed they may not have packed
V-ing perfect
I may not have been packing you may not have been packing she may not have been packing we may not have been packing you may not have been packing they may not have been packing
Interrogative form
Simple form
may I pack? may you pack? may she pack? may we pack? may you pack? may they pack?
V-ing form
may I be packing? may you be packing? may she be packing? may we be packing? may you be packing? may they be packing?
Perfect
may I have packed? may you have packed? may she have packed? may we have packed? may you have packed? may they have packed?
V-ing perfect
may I have been packing? may you have been packing? may she have been packing? may we have been packing? may you have been packing? may they have been packing?
Interro-negative form
Simple form
may I not pack? may you not pack? may she not pack? may we not pack? may you not pack? may they not pack?
V-ing form
may I not be packing? may you not be packing? may she not be packing? may we not be packing? may you not be packing? may they not be packing?
Perfect
may I not have packed? may you not have packed? may she not have packed? may we not have packed? may you not have packed? may they not have packed?
V-ing perfect
may I not have been packing? may you not have been packing? may she not have been packing? may we not have been packing? may you not have been packing? may they not have been packing?