I could platinise you could platinise he could platinise we could platinise you could platinise they could platinise
Forme en V-ing
I could be platinising you could be platinising he could be platinising we could be platinising you could be platinising they could be platinising
Perfect
I could have platinised you could have platinised he could have platinised we could have platinised you could have platinised they could have platinised
Perfect en V-ing
I could have been platinising you could have been platinising he could have been platinising we could have been platinising you could have been platinising they could have been platinising
Négation
Forme simple
I could not platinise you could not platinise he could not platinise we could not platinise you could not platinise they could not platinise
Forme en V-ing
I could not be platinising you could not be platinising he could not be platinising we could not be platinising you could not be platinising they could not be platinising
Perfect
I could not have platinised you could not have platinised he could not have platinised we could not have platinised you could not have platinised they could not have platinised
Perfect en V-ing
I could not have been platinising you could not have been platinising he could not have been platinising we could not have been platinising you could not have been platinising they could not have been platinising
Forme interrogative
Forme simple
could I platinise? could you platinise? could he platinise? could we platinise? could you platinise? could they platinise?
Forme en V-ing
could I be platinising? could you be platinising? could he be platinising? could we be platinising? could you be platinising? could they be platinising?
Perfect
could I have platinised? could you have platinised? could he have platinised? could we have platinised? could you have platinised? could they have platinised?
Perfect en V-ing
could I have been platinising? could you have been platinising? could he have been platinising? could we have been platinising? could you have been platinising? could they have been platinising?
Forme interro-négative
Forme simple
could I not platinise? could you not platinise? could he not platinise? could we not platinise? could you not platinise? could they not platinise?
Forme en V-ing
could I not be platinising? could you not be platinising? could he not be platinising? could we not be platinising? could you not be platinising? could they not be platinising?
Perfect
could I not have platinised? could you not have platinised? could he not have platinised? could we not have platinised? could you not have platinised? could they not have platinised?
Perfect en V-ing
could I not have been platinising? could you not have been platinising? could he not have been platinising? could we not have been platinising? could you not have been platinising? could they not have been platinising?