Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could turn in you could turn in he could turn in we could turn in you could turn in they could turn in
Forme en V-ing
I could be turn ining you could be turn ining he could be turn ining we could be turn ining you could be turn ining they could be turn ining
Perfect
I could have turn ined you could have turn ined he could have turn ined we could have turn ined you could have turn ined they could have turn ined
Perfect en V-ing
I could have been turn ining you could have been turn ining he could have been turn ining we could have been turn ining you could have been turn ining they could have been turn ining
Négation
Forme simple
I could not turn in you could not turn in he could not turn in we could not turn in you could not turn in they could not turn in
Forme en V-ing
I could not be turn ining you could not be turn ining he could not be turn ining we could not be turn ining you could not be turn ining they could not be turn ining
Perfect
I could not have turn ined you could not have turn ined he could not have turn ined we could not have turn ined you could not have turn ined they could not have turn ined
Perfect en V-ing
I could not have been turn ining you could not have been turn ining he could not have been turn ining we could not have been turn ining you could not have been turn ining they could not have been turn ining
Forme interrogative
Forme simple
could I turn in? could you turn in? could he turn in? could we turn in? could you turn in? could they turn in?
Forme en V-ing
could I be turn ining? could you be turn ining? could he be turn ining? could we be turn ining? could you be turn ining? could they be turn ining?
Perfect
could I have turn ined? could you have turn ined? could he have turn ined? could we have turn ined? could you have turn ined? could they have turn ined?
Perfect en V-ing
could I have been turn ining? could you have been turn ining? could he have been turn ining? could we have been turn ining? could you have been turn ining? could they have been turn ining?
Forme interro-négative
Forme simple
could I not turn in? could you not turn in? could he not turn in? could we not turn in? could you not turn in? could they not turn in?
Forme en V-ing
could I not be turn ining? could you not be turn ining? could he not be turn ining? could we not be turn ining? could you not be turn ining? could they not be turn ining?
Perfect
could I not have turn ined? could you not have turn ined? could he not have turn ined? could we not have turn ined? could you not have turn ined? could they not have turn ined?
Perfect en V-ing
could I not have been turn ining? could you not have been turn ining? could he not have been turn ining? could we not have been turn ining? could you not have been turn ining? could they not have been turn ining?