I may undermine you may undermine he may undermine we may undermine you may undermine they may undermine
Forme en V-ing
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
I may have undermined you may have undermined he may have undermined we may have undermined you may have undermined they may have undermined
Perfect en V-ing
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
Négation
Forme simple
I mayn't undermine you mayn't undermine he mayn't undermine we mayn't undermine you mayn't undermine they mayn't undermine
Forme en V-ing
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
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
Perfect en V-ing
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
Forme interrogative
Forme simple
may I undermine? may you undermine? may he undermine? may we undermine? may you undermine? may they undermine?
Forme en V-ing
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
may I have undermined? may you have undermined? may he have undermined? may we have undermined? may you have undermined? may they have undermined?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
mayn't I undermine? mayn't you undermine? mayn't he undermine? mayn't we undermine? mayn't you undermine? mayn't they undermine?
Forme en V-ing
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
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?
Perfect en V-ing
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?