I could authorise you could authorise he could authorise we could authorise you could authorise they could authorise
Forme en V-ing
I could be authorising you could be authorising he could be authorising we could be authorising you could be authorising they could be authorising
Perfect
I could have authorised you could have authorised he could have authorised we could have authorised you could have authorised they could have authorised
Perfect en V-ing
I could have been authorising you could have been authorising he could have been authorising we could have been authorising you could have been authorising they could have been authorising
Négation
Forme simple
I could not authorise you could not authorise he could not authorise we could not authorise you could not authorise they could not authorise
Forme en V-ing
I could not be authorising you could not be authorising he could not be authorising we could not be authorising you could not be authorising they could not be authorising
Perfect
I could not have authorised you could not have authorised he could not have authorised we could not have authorised you could not have authorised they could not have authorised
Perfect en V-ing
I could not have been authorising you could not have been authorising he could not have been authorising we could not have been authorising you could not have been authorising they could not have been authorising
Forme interrogative
Forme simple
could I authorise? could you authorise? could he authorise? could we authorise? could you authorise? could they authorise?
Forme en V-ing
could I be authorising? could you be authorising? could he be authorising? could we be authorising? could you be authorising? could they be authorising?
Perfect
could I have authorised? could you have authorised? could he have authorised? could we have authorised? could you have authorised? could they have authorised?
Perfect en V-ing
could I have been authorising? could you have been authorising? could he have been authorising? could we have been authorising? could you have been authorising? could they have been authorising?
Forme interro-négative
Forme simple
could I not authorise? could you not authorise? could he not authorise? could we not authorise? could you not authorise? could they not authorise?
Forme en V-ing
could I not be authorising? could you not be authorising? could he not be authorising? could we not be authorising? could you not be authorising? could they not be authorising?
Perfect
could I not have authorised? could you not have authorised? could he not have authorised? could we not have authorised? could you not have authorised? could they not have authorised?
Perfect en V-ing
could I not have been authorising? could you not have been authorising? could he not have been authorising? could we not have been authorising? could you not have been authorising? could they not have been authorising?