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