I could avert you could avert he could avert we could avert you could avert they could avert
Forme en V-ing
I could be averting you could be averting he could be averting we could be averting you could be averting they could be averting
Perfect
I could have averted you could have averted he could have averted we could have averted you could have averted they could have averted
Perfect en V-ing
I could have been averting you could have been averting he could have been averting we could have been averting you could have been averting they could have been averting
Négation
Forme simple
I could not avert you could not avert he could not avert we could not avert you could not avert they could not avert
Forme en V-ing
I could not be averting you could not be averting he could not be averting we could not be averting you could not be averting they could not be averting
Perfect
I could not have averted you could not have averted he could not have averted we could not have averted you could not have averted they could not have averted
Perfect en V-ing
I could not have been averting you could not have been averting he could not have been averting we could not have been averting you could not have been averting they could not have been averting
Forme interrogative
Forme simple
could I avert? could you avert? could he avert? could we avert? could you avert? could they avert?
Forme en V-ing
could I be averting? could you be averting? could he be averting? could we be averting? could you be averting? could they be averting?
Perfect
could I have averted? could you have averted? could he have averted? could we have averted? could you have averted? could they have averted?
Perfect en V-ing
could I have been averting? could you have been averting? could he have been averting? could we have been averting? could you have been averting? could they have been averting?
Forme interro-négative
Forme simple
could I not avert? could you not avert? could he not avert? could we not avert? could you not avert? could they not avert?
Forme en V-ing
could I not be averting? could you not be averting? could he not be averting? could we not be averting? could you not be averting? could they not be averting?
Perfect
could I not have averted? could you not have averted? could he not have averted? could we not have averted? could you not have averted? could they not have averted?
Perfect en V-ing
could I not have been averting? could you not have been averting? could he not have been averting? could we not have been averting? could you not have been averting? could they not have been averting?