I can avert you can avert he can avert we can avert you can avert they can avert
V-ing form
I can be averting you can be averting he can be averting we can be averting you can be averting they can be averting
Perfect
I can have averted you can have averted he 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 he can have been averting we can have been averting you can have been averting they can have been averting
Negation
Simple form
I cannot avert you cannot avert he cannot avert we cannot avert you cannot avert they cannot avert
V-ing form
I cannot be averting you cannot be averting he cannot be averting we cannot be averting you cannot be averting they cannot be averting
Perfect
I cannot have averted you cannot have averted he cannot have averted we cannot have averted you cannot have averted they cannot have averted
V-ing perfect
I cannot have been averting you cannot have been averting he cannot have been averting we cannot have been averting you cannot have been averting they cannot have been averting
Interrogative form
Simple form
can I avert? can you avert? can he avert? can we avert? can you avert? can they avert?
V-ing form
can I be averting? can you be averting? can he be averting? can we be averting? can you be averting? can they be averting?
Perfect
can I have averted? can you have averted? can he 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 he have been averting? can we have been averting? can you have been averting? can they have been averting?
Interro-negative form
Simple form
can I not avert? can you not avert? can he not avert? can we not avert? can you not avert? can they not avert?
V-ing form
can I not be averting? can you not be averting? can he not be averting? can we not be averting? can you not be averting? can they not be averting?
Perfect
can I not have averted? can you not have averted? can he not have averted? can we not have averted? can you not have averted? can they not have averted?
V-ing perfect
can I not have been averting? can you not have been averting? can he not have been averting? can we not have been averting? can you not have been averting? can they not have been averting?