I could regulate you could regulate he could regulate we could regulate you could regulate they could regulate
Forme en V-ing
I could be regulating you could be regulating he could be regulating we could be regulating you could be regulating they could be regulating
Perfect
I could have regulated you could have regulated he could have regulated we could have regulated you could have regulated they could have regulated
Perfect en V-ing
I could have been regulating you could have been regulating he could have been regulating we could have been regulating you could have been regulating they could have been regulating
Négation
Forme simple
I could not regulate you could not regulate he could not regulate we could not regulate you could not regulate they could not regulate
Forme en V-ing
I could not be regulating you could not be regulating he could not be regulating we could not be regulating you could not be regulating they could not be regulating
Perfect
I could not have regulated you could not have regulated he could not have regulated we could not have regulated you could not have regulated they could not have regulated
Perfect en V-ing
I could not have been regulating you could not have been regulating he could not have been regulating we could not have been regulating you could not have been regulating they could not have been regulating
Forme interrogative
Forme simple
could I regulate? could you regulate? could he regulate? could we regulate? could you regulate? could they regulate?
Forme en V-ing
could I be regulating? could you be regulating? could he be regulating? could we be regulating? could you be regulating? could they be regulating?
Perfect
could I have regulated? could you have regulated? could he have regulated? could we have regulated? could you have regulated? could they have regulated?
Perfect en V-ing
could I have been regulating? could you have been regulating? could he have been regulating? could we have been regulating? could you have been regulating? could they have been regulating?
Forme interro-négative
Forme simple
could I not regulate? could you not regulate? could he not regulate? could we not regulate? could you not regulate? could they not regulate?
Forme en V-ing
could I not be regulating? could you not be regulating? could he not be regulating? could we not be regulating? could you not be regulating? could they not be regulating?
Perfect
could I not have regulated? could you not have regulated? could he not have regulated? could we not have regulated? could you not have regulated? could they not have regulated?
Perfect en V-ing
could I not have been regulating? could you not have been regulating? could he not have been regulating? could we not have been regulating? could you not have been regulating? could they not have been regulating?