I can avert you can avert she can avert we can avert you can avert they can avert
V-ing form
I can be averting you can be averting she can be averting we can be averting you can be averting they can be averting
Perfect
I can have averted you can have averted she can have averted we can have averted you can have averted they can have averted
V-ing perfect
I can have been averting you can have been averting she can have been averting we can have been averting you can have been averting they can have been averting
Negation
Simple form
I can't avert you can't avert she can't avert we can't avert you can't avert they can't avert
V-ing form
I can't be averting you can't be averting she can't be averting we can't be averting you can't be averting they can't be averting
Perfect
I can't have averted you can't have averted she can't have averted we can't have averted you can't have averted they can't have averted
V-ing perfect
I can't have been averting you can't have been averting she can't have been averting we can't have been averting you can't have been averting they can't have been averting
Interrogative form
Simple form
can I avert? can you avert? can she avert? can we avert? can you avert? can they avert?
V-ing form
can I be averting? can you be averting? can she be averting? can we be averting? can you be averting? can they be averting?
Perfect
can I have averted? can you have averted? can she have averted? can we have averted? can you have averted? can they have averted?
V-ing perfect
can I have been averting? can you have been averting? can she have been averting? can we have been averting? can you have been averting? can they have been averting?
Interro-negative form
Simple form
can't I avert? can't you avert? can't she avert? can't we avert? can't you avert? can't they avert?
V-ing form
can't I be averting? can't you be averting? can't she be averting? can't we be averting? can't you be averting? can't they be averting?
Perfect
can't I have averted? can't you have averted? can't she have averted? can't we have averted? can't you have averted? can't they have averted?
V-ing perfect
can't I have been averting? can't you have been averting? can't she have been averting? can't we have been averting? can't you have been averting? can't they have been averting?