I could untwine you could untwine he could untwine we could untwine you could untwine they could untwine
Forme en V-ing
I could be untwining you could be untwining he could be untwining we could be untwining you could be untwining they could be untwining
Perfect
I could have untwined you could have untwined he could have untwined we could have untwined you could have untwined they could have untwined
Perfect en V-ing
I could have been untwining you could have been untwining he could have been untwining we could have been untwining you could have been untwining they could have been untwining
Négation
Forme simple
I could not untwine you could not untwine he could not untwine we could not untwine you could not untwine they could not untwine
Forme en V-ing
I could not be untwining you could not be untwining he could not be untwining we could not be untwining you could not be untwining they could not be untwining
Perfect
I could not have untwined you could not have untwined he could not have untwined we could not have untwined you could not have untwined they could not have untwined
Perfect en V-ing
I could not have been untwining you could not have been untwining he could not have been untwining we could not have been untwining you could not have been untwining they could not have been untwining
Forme interrogative
Forme simple
could I untwine? could you untwine? could he untwine? could we untwine? could you untwine? could they untwine?
Forme en V-ing
could I be untwining? could you be untwining? could he be untwining? could we be untwining? could you be untwining? could they be untwining?
Perfect
could I have untwined? could you have untwined? could he have untwined? could we have untwined? could you have untwined? could they have untwined?
Perfect en V-ing
could I have been untwining? could you have been untwining? could he have been untwining? could we have been untwining? could you have been untwining? could they have been untwining?
Forme interro-négative
Forme simple
could I not untwine? could you not untwine? could he not untwine? could we not untwine? could you not untwine? could they not untwine?
Forme en V-ing
could I not be untwining? could you not be untwining? could he not be untwining? could we not be untwining? could you not be untwining? could they not be untwining?
Perfect
could I not have untwined? could you not have untwined? could he not have untwined? could we not have untwined? could you not have untwined? could they not have untwined?
Perfect en V-ing
could I not have been untwining? could you not have been untwining? could he not have been untwining? could we not have been untwining? could you not have been untwining? could they not have been untwining?