English verb conjugation
MAY UNDERMINE

Regular verb: undermine - undermined - undermined

Affirmation

Simple form	V-ing form
I may undermine you may undermine he may undermine we may undermine you may undermine they may undermine	I may be undermining you may be undermining he may be undermining we may be undermining you may be undermining they may be undermining
Perfect	V-ing perfect
I may have undermined you may have undermined he may have undermined we may have undermined you may have undermined they may have undermined	I may have been undermining you may have been undermining he may have been undermining we may have been undermining you may have been undermining they may have been undermining

Negation

Simple form	V-ing form
I mayn't undermine you mayn't undermine he mayn't undermine we mayn't undermine you mayn't undermine they mayn't undermine	I mayn't be undermining you mayn't be undermining he mayn't be undermining we mayn't be undermining you mayn't be undermining they mayn't be undermining
Perfect	V-ing perfect
I mayn't have undermined you mayn't have undermined he mayn't have undermined we mayn't have undermined you mayn't have undermined they mayn't have undermined	I mayn't have been undermining you mayn't have been undermining he mayn't have been undermining we mayn't have been undermining you mayn't have been undermining they mayn't have been undermining

Interrogative form

Simple form	V-ing form
may I undermine? may you undermine? may he undermine? may we undermine? may you undermine? may they undermine?	may I be undermining? may you be undermining? may he be undermining? may we be undermining? may you be undermining? may they be undermining?
Perfect	V-ing perfect
may I have undermined? may you have undermined? may he have undermined? may we have undermined? may you have undermined? may they have undermined?	may I have been undermining? may you have been undermining? may he have been undermining? may we have been undermining? may you have been undermining? may they have been undermining?

Interro-negative form

Simple form	V-ing form
mayn't I undermine? mayn't you undermine? mayn't he undermine? mayn't we undermine? mayn't you undermine? mayn't they undermine?	mayn't I be undermining? mayn't you be undermining? mayn't he be undermining? mayn't we be undermining? mayn't you be undermining? mayn't they be undermining?
Perfect	V-ing perfect
mayn't I have undermined? mayn't you have undermined? mayn't he have undermined? mayn't we have undermined? mayn't you have undermined? mayn't they have undermined?	mayn't I have been undermining? mayn't you have been undermining? mayn't he have been undermining? mayn't we have been undermining? mayn't you have been undermining? mayn't they have been undermining?