I could vandalize you could vandalize she could vandalize we could vandalize you could vandalize they could vandalize
V-ing form
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
I could have vandalized you could have vandalized she could have vandalized we could have vandalized you could have vandalized they could have vandalized
V-ing perfect
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
I could not vandalize you could not vandalize she could not vandalize we could not vandalize you could not vandalize they could not vandalize
V-ing form
I could not be vandalizing you could not be vandalizing she could not be vandalizing we could not be vandalizing you could not be vandalizing they could not be vandalizing
Perfect
I could not have vandalized you could not have vandalized she could not have vandalized we could not have vandalized you could not have vandalized they could not have vandalized
V-ing perfect
I could not have been vandalizing you could not have been vandalizing she could not have been vandalizing we could not have been vandalizing you could not have been vandalizing they could not have been vandalizing
Interrogative form
Simple form
could I vandalize? could you vandalize? could she vandalize? could we vandalize? could you vandalize? could they vandalize?
V-ing form
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
could I have vandalized? could you have vandalized? could she have vandalized? could we have vandalized? could you have vandalized? could they have vandalized?
V-ing perfect
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
could I not vandalize? could you not vandalize? could she not vandalize? could we not vandalize? could you not vandalize? could they not vandalize?
V-ing form
could I not be vandalizing? could you not be vandalizing? could she not be vandalizing? could we not be vandalizing? could you not be vandalizing? could they not be vandalizing?
Perfect
could I not have vandalized? could you not have vandalized? could she not have vandalized? could we not have vandalized? could you not have vandalized? could they not have vandalized?
V-ing perfect
could I not have been vandalizing? could you not have been vandalizing? could she not have been vandalizing? could we not have been vandalizing? could you not have been vandalizing? could they not have been vandalizing?