I could preregulate you could preregulate he could preregulate we could preregulate you could preregulate they could preregulate
Forme en V-ing
I could be preregulating you could be preregulating he could be preregulating we could be preregulating you could be preregulating they could be preregulating
Perfect
I could have preregulated you could have preregulated he could have preregulated we could have preregulated you could have preregulated they could have preregulated
Perfect en V-ing
I could have been preregulating you could have been preregulating he could have been preregulating we could have been preregulating you could have been preregulating they could have been preregulating
Négation
Forme simple
I could not preregulate you could not preregulate he could not preregulate we could not preregulate you could not preregulate they could not preregulate
Forme en V-ing
I could not be preregulating you could not be preregulating he could not be preregulating we could not be preregulating you could not be preregulating they could not be preregulating
Perfect
I could not have preregulated you could not have preregulated he could not have preregulated we could not have preregulated you could not have preregulated they could not have preregulated
Perfect en V-ing
I could not have been preregulating you could not have been preregulating he could not have been preregulating we could not have been preregulating you could not have been preregulating they could not have been preregulating
Forme interrogative
Forme simple
could I preregulate? could you preregulate? could he preregulate? could we preregulate? could you preregulate? could they preregulate?
Forme en V-ing
could I be preregulating? could you be preregulating? could he be preregulating? could we be preregulating? could you be preregulating? could they be preregulating?
Perfect
could I have preregulated? could you have preregulated? could he have preregulated? could we have preregulated? could you have preregulated? could they have preregulated?
Perfect en V-ing
could I have been preregulating? could you have been preregulating? could he have been preregulating? could we have been preregulating? could you have been preregulating? could they have been preregulating?
Forme interro-négative
Forme simple
could I not preregulate? could you not preregulate? could he not preregulate? could we not preregulate? could you not preregulate? could they not preregulate?
Forme en V-ing
could I not be preregulating? could you not be preregulating? could he not be preregulating? could we not be preregulating? could you not be preregulating? could they not be preregulating?
Perfect
could I not have preregulated? could you not have preregulated? could he not have preregulated? could we not have preregulated? could you not have preregulated? could they not have preregulated?
Perfect en V-ing
could I not have been preregulating? could you not have been preregulating? could he not have been preregulating? could we not have been preregulating? could you not have been preregulating? could they not have been preregulating?