English verb conjugation
COULD SUBVERT

Regular verb: subvert - subverted - subverted

Affirmation

Simple form	V-ing form
I could subvert you could subvert he could subvert we could subvert you could subvert they could subvert	I could be subverting you could be subverting he could be subverting we could be subverting you could be subverting they could be subverting
Perfect	V-ing perfect
I could have subverted you could have subverted he could have subverted we could have subverted you could have subverted they could have subverted	I could have been subverting you could have been subverting he could have been subverting we could have been subverting you could have been subverting they could have been subverting

Negation

Simple form	V-ing form
I could not subvert you could not subvert he could not subvert we could not subvert you could not subvert they could not subvert	I could not be subverting you could not be subverting he could not be subverting we could not be subverting you could not be subverting they could not be subverting
Perfect	V-ing perfect
I could not have subverted you could not have subverted he could not have subverted we could not have subverted you could not have subverted they could not have subverted	I could not have been subverting you could not have been subverting he 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	V-ing form
could I subvert? could you subvert? could he subvert? could we subvert? could you subvert? could they subvert?	could I be subverting? could you be subverting? could he be subverting? could we be subverting? could you be subverting? could they be subverting?
Perfect	V-ing perfect
could I have subverted? could you have subverted? could he have subverted? could we have subverted? could you have subverted? could they have subverted?	could I have been subverting? could you have been subverting? could he have been subverting? could we have been subverting? could you have been subverting? could they have been subverting?

Interro-negative form

Simple form	V-ing form
could I not subvert? could you not subvert? could he not subvert? could we not subvert? could you not subvert? could they not subvert?	could I not be subverting? could you not be subverting? could he not be subverting? could we not be subverting? could you not be subverting? could they not be subverting?
Perfect	V-ing perfect
could I not have subverted? could you not have subverted? could he not have subverted? could we not have subverted? could you not have subverted? could they not have subverted?	could I not have been subverting? could you not have been subverting? could he not have been subverting? could we not have been subverting? could you not have been subverting? could they not have been subverting?