English verb conjugation
COULD SUBVERT

Regular verb: subvert - subverted - subverted

Affirmation

Simple form	V-ing form
I could subvert you could subvert she could subvert we could subvert you could subvert they could subvert	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	V-ing 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	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	V-ing form
I couldn't subvert you couldn't subvert she couldn't subvert we couldn't subvert you couldn't subvert they couldn't subvert	I couldn't be subverting you couldn't be subverting she couldn't be subverting we couldn't be subverting you couldn't be subverting they couldn't be subverting
Perfect	V-ing perfect
I couldn't have subverted you couldn't have subverted she couldn't have subverted we couldn't have subverted you couldn't have subverted they couldn't have subverted	I couldn't have been subverting you couldn't have been subverting she couldn't have been subverting we couldn't have been subverting you couldn't have been subverting they couldn't have been subverting

Interrogative form

Simple form	V-ing form
could I subvert? could you subvert? could she subvert? could we subvert? could you subvert? could they subvert?	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	V-ing 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?	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	V-ing form
couldn't I subvert? couldn't you subvert? couldn't she subvert? couldn't we subvert? couldn't you subvert? couldn't they subvert?	couldn't I be subverting? couldn't you be subverting? couldn't she be subverting? couldn't we be subverting? couldn't you be subverting? couldn't they be subverting?
Perfect	V-ing perfect
couldn't I have subverted? couldn't you have subverted? couldn't she have subverted? couldn't we have subverted? couldn't you have subverted? couldn't they have subverted?	couldn't I have been subverting? couldn't you have been subverting? couldn't she have been subverting? couldn't we have been subverting? couldn't you have been subverting? couldn't they have been subverting?