I may weigh you may weigh he may weigh we may weigh you may weigh they may weigh
V-ing form
I may be weighing you may be weighing he may be weighing we may be weighing you may be weighing they may be weighing
Perfect
I may have weighed you may have weighed he may have weighed we may have weighed you may have weighed they may have weighed
V-ing perfect
I may have been weighing you may have been weighing he may have been weighing we may have been weighing you may have been weighing they may have been weighing
Negation
Simple form
I may not weigh you may not weigh he may not weigh we may not weigh you may not weigh they may not weigh
V-ing form
I may not be weighing you may not be weighing he may not be weighing we may not be weighing you may not be weighing they may not be weighing
Perfect
I may not have weighed you may not have weighed he may not have weighed we may not have weighed you may not have weighed they may not have weighed
V-ing perfect
I may not have been weighing you may not have been weighing he may not have been weighing we may not have been weighing you may not have been weighing they may not have been weighing
Interrogative form
Simple form
may I weigh? may you weigh? may he weigh? may we weigh? may you weigh? may they weigh?
V-ing form
may I be weighing? may you be weighing? may he be weighing? may we be weighing? may you be weighing? may they be weighing?
Perfect
may I have weighed? may you have weighed? may he have weighed? may we have weighed? may you have weighed? may they have weighed?
V-ing perfect
may I have been weighing? may you have been weighing? may he have been weighing? may we have been weighing? may you have been weighing? may they have been weighing?
Interro-negative form
Simple form
may I not weigh? may you not weigh? may he not weigh? may we not weigh? may you not weigh? may they not weigh?
V-ing form
may I not be weighing? may you not be weighing? may he not be weighing? may we not be weighing? may you not be weighing? may they not be weighing?
Perfect
may I not have weighed? may you not have weighed? may he not have weighed? may we not have weighed? may you not have weighed? may they not have weighed?
V-ing perfect
may I not have been weighing? may you not have been weighing? may he not have been weighing? may we not have been weighing? may you not have been weighing? may they not have been weighing?