I may undermine you may undermine she may undermine we may undermine you may undermine they may undermine
V-ing form
I may be undermining you may be undermining she may be undermining we may be undermining you may be undermining they may be undermining
Perfect
I may have undermined you may have undermined she may have undermined we may have undermined you may have undermined they may have undermined
V-ing perfect
I may have been undermining you may have been undermining she may have been undermining we may have been undermining you may have been undermining they may have been undermining
Negation
Simple form
I may not undermine you may not undermine she may not undermine we may not undermine you may not undermine they may not undermine
V-ing form
I may not be undermining you may not be undermining she may not be undermining we may not be undermining you may not be undermining they may not be undermining
Perfect
I may not have undermined you may not have undermined she may not have undermined we may not have undermined you may not have undermined they may not have undermined
V-ing perfect
I may not have been undermining you may not have been undermining she may not have been undermining we may not have been undermining you may not have been undermining they may not have been undermining
Interrogative form
Simple form
may I undermine? may you undermine? may she undermine? may we undermine? may you undermine? may they undermine?
V-ing form
may I be undermining? may you be undermining? may she be undermining? may we be undermining? may you be undermining? may they be undermining?
Perfect
may I have undermined? may you have undermined? may she have undermined? may we have undermined? may you have undermined? may they have undermined?
V-ing perfect
may I have been undermining? may you have been undermining? may she have been undermining? may we have been undermining? may you have been undermining? may they have been undermining?
Interro-negative form
Simple form
may I not undermine? may you not undermine? may she not undermine? may we not undermine? may you not undermine? may they not undermine?
V-ing form
may I not be undermining? may you not be undermining? may she not be undermining? may we not be undermining? may you not be undermining? may they not be undermining?
Perfect
may I not have undermined? may you not have undermined? may she not have undermined? may we not have undermined? may you not have undermined? may they not have undermined?
V-ing perfect
may I not have been undermining? may you not have been undermining? may she not have been undermining? may we not have been undermining? may you not have been undermining? may they not have been undermining?