I could subvert you could subvert she could subvert we could subvert you could subvert they could subvert
V-ing form
I could be subverting you could be subverting she could be subverting we could be subverting you could be subverting they could be subverting
Perfect
I could have subverted you could have subverted she could have subverted we could have subverted you could have subverted they could have subverted
V-ing perfect
I could have been subverting you could have been subverting she could have been subverting we could have been subverting you could have been subverting they could have been subverting
Negation
Simple form
I could not subvert you could not subvert she could not subvert we could not subvert you could not subvert they could not subvert
V-ing form
I could not be subverting you could not be subverting she could not be subverting we could not be subverting you could not be subverting they could not be subverting
Perfect
I could not have subverted you could not have subverted she could not have subverted we could not have subverted you could not have subverted they could not have subverted
V-ing perfect
I could not have been subverting you could not have been subverting she could not have been subverting we could not have been subverting you could not have been subverting they could not have been subverting
Interrogative form
Simple form
could I subvert? could you subvert? could she subvert? could we subvert? could you subvert? could they subvert?
V-ing form
could I be subverting? could you be subverting? could she be subverting? could we be subverting? could you be subverting? could they be subverting?
Perfect
could I have subverted? could you have subverted? could she have subverted? could we have subverted? could you have subverted? could they have subverted?
V-ing perfect
could I have been subverting? could you have been subverting? could she have been subverting? could we have been subverting? could you have been subverting? could they have been subverting?
Interro-negative form
Simple form
could I not subvert? could you not subvert? could she not subvert? could we not subvert? could you not subvert? could they not subvert?
V-ing form
could I not be subverting? could you not be subverting? could she not be subverting? could we not be subverting? could you not be subverting? could they not be subverting?
Perfect
could I not have subverted? could you not have subverted? could she not have subverted? could we not have subverted? could you not have subverted? could they not have subverted?
V-ing perfect
could I not have been subverting? could you not have been subverting? could she not have been subverting? could we not have been subverting? could you not have been subverting? could they not have been subverting?