English verb conjugation
COULD VANDALIZE

Regular verb: vandalize - vandalized - vandalized

Affirmation

Simple form	V-ing form
I could vandalize you could vandalize she could vandalize we could vandalize you could vandalize they could vandalize	I could be vandalizing you could be vandalizing she could be vandalizing we could be vandalizing you could be vandalizing they could be vandalizing
Perfect	V-ing perfect
I could have vandalized you could have vandalized she could have vandalized we could have vandalized you could have vandalized they could have vandalized	I could have been vandalizing you could have been vandalizing she could have been vandalizing we could have been vandalizing you could have been vandalizing they could have been vandalizing

Negation

Simple form	V-ing form
I couldn't vandalize you couldn't vandalize she couldn't vandalize we couldn't vandalize you couldn't vandalize they couldn't vandalize	I couldn't be vandalizing you couldn't be vandalizing she couldn't be vandalizing we couldn't be vandalizing you couldn't be vandalizing they couldn't be vandalizing
Perfect	V-ing perfect
I couldn't have vandalized you couldn't have vandalized she couldn't have vandalized we couldn't have vandalized you couldn't have vandalized they couldn't have vandalized	I couldn't have been vandalizing you couldn't have been vandalizing she couldn't have been vandalizing we couldn't have been vandalizing you couldn't have been vandalizing they couldn't have been vandalizing

Interrogative form

Simple form	V-ing form
could I vandalize? could you vandalize? could she vandalize? could we vandalize? could you vandalize? could they vandalize?	could I be vandalizing? could you be vandalizing? could she be vandalizing? could we be vandalizing? could you be vandalizing? could they be vandalizing?
Perfect	V-ing perfect
could I have vandalized? could you have vandalized? could she have vandalized? could we have vandalized? could you have vandalized? could they have vandalized?	could I have been vandalizing? could you have been vandalizing? could she have been vandalizing? could we have been vandalizing? could you have been vandalizing? could they have been vandalizing?

Interro-negative form

Simple form	V-ing form
couldn't I vandalize? couldn't you vandalize? couldn't she vandalize? couldn't we vandalize? couldn't you vandalize? couldn't they vandalize?	couldn't I be vandalizing? couldn't you be vandalizing? couldn't she be vandalizing? couldn't we be vandalizing? couldn't you be vandalizing? couldn't they be vandalizing?
Perfect	V-ing perfect
couldn't I have vandalized? couldn't you have vandalized? couldn't she have vandalized? couldn't we have vandalized? couldn't you have vandalized? couldn't they have vandalized?	couldn't I have been vandalizing? couldn't you have been vandalizing? couldn't she have been vandalizing? couldn't we have been vandalizing? couldn't you have been vandalizing? couldn't they have been vandalizing?