I can undermine you can undermine he can undermine we can undermine you can undermine they can undermine
Forme en V-ing
I can be undermining you can be undermining he can be undermining we can be undermining you can be undermining they can be undermining
Perfect
I can have undermined you can have undermined he can have undermined we can have undermined you can have undermined they can have undermined
Perfect en V-ing
I can have been undermining you can have been undermining he can have been undermining we can have been undermining you can have been undermining they can have been undermining
Négation
Forme simple
I can't undermine you can't undermine he can't undermine we can't undermine you can't undermine they can't undermine
Forme en V-ing
I can't be undermining you can't be undermining he can't be undermining we can't be undermining you can't be undermining they can't be undermining
Perfect
I can't have undermined you can't have undermined he can't have undermined we can't have undermined you can't have undermined they can't have undermined
Perfect en V-ing
I can't have been undermining you can't have been undermining he can't have been undermining we can't have been undermining you can't have been undermining they can't have been undermining
Forme interrogative
Forme simple
can I undermine? can you undermine? can he undermine? can we undermine? can you undermine? can they undermine?
Forme en V-ing
can I be undermining? can you be undermining? can he be undermining? can we be undermining? can you be undermining? can they be undermining?
Perfect
can I have undermined? can you have undermined? can he have undermined? can we have undermined? can you have undermined? can they have undermined?
Perfect en V-ing
can I have been undermining? can you have been undermining? can he have been undermining? can we have been undermining? can you have been undermining? can they have been undermining?
Forme interro-négative
Forme simple
can't I undermine? can't you undermine? can't he undermine? can't we undermine? can't you undermine? can't they undermine?
Forme en V-ing
can't I be undermining? can't you be undermining? can't he be undermining? can't we be undermining? can't you be undermining? can't they be undermining?
Perfect
can't I have undermined? can't you have undermined? can't he have undermined? can't we have undermined? can't you have undermined? can't they have undermined?
Perfect en V-ing
can't I have been undermining? can't you have been undermining? can't he have been undermining? can't we have been undermining? can't you have been undermining? can't they have been undermining?