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 couldn't avert you couldn't avert he couldn't avert we couldn't avert you couldn't avert they couldn't avert
Forme en V-ing
I couldn't be averting you couldn't be averting he couldn't be averting we couldn't be averting you couldn't be averting they couldn't be averting
Perfect
I couldn't have averted you couldn't have averted he couldn't have averted we couldn't have averted you couldn't have averted they couldn't have averted
Perfect en V-ing
I couldn't have been averting you couldn't have been averting he couldn't have been averting we couldn't have been averting you couldn't have been averting they couldn't 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
couldn't I avert? couldn't you avert? couldn't he avert? couldn't we avert? couldn't you avert? couldn't they avert?
Forme en V-ing
couldn't I be averting? couldn't you be averting? couldn't he be averting? couldn't we be averting? couldn't you be averting? couldn't they be averting?
Perfect
couldn't I have averted? couldn't you have averted? couldn't he have averted? couldn't we have averted? couldn't you have averted? couldn't they have averted?
Perfect en V-ing
couldn't I have been averting? couldn't you have been averting? couldn't he have been averting? couldn't we have been averting? couldn't you have been averting? couldn't they have been averting?