I could mutilate you could mutilate she could mutilate we could mutilate you could mutilate they could mutilate
V-ing form
I could be mutilating you could be mutilating she could be mutilating we could be mutilating you could be mutilating they could be mutilating
Perfect
I could have mutilated you could have mutilated she could have mutilated we could have mutilated you could have mutilated they could have mutilated
V-ing perfect
I could have been mutilating you could have been mutilating she could have been mutilating we could have been mutilating you could have been mutilating they could have been mutilating
Negation
Simple form
I couldn't mutilate you couldn't mutilate she couldn't mutilate we couldn't mutilate you couldn't mutilate they couldn't mutilate
V-ing form
I couldn't be mutilating you couldn't be mutilating she couldn't be mutilating we couldn't be mutilating you couldn't be mutilating they couldn't be mutilating
Perfect
I couldn't have mutilated you couldn't have mutilated she couldn't have mutilated we couldn't have mutilated you couldn't have mutilated they couldn't have mutilated
V-ing perfect
I couldn't have been mutilating you couldn't have been mutilating she couldn't have been mutilating we couldn't have been mutilating you couldn't have been mutilating they couldn't have been mutilating
Interrogative form
Simple form
could I mutilate? could you mutilate? could she mutilate? could we mutilate? could you mutilate? could they mutilate?
V-ing form
could I be mutilating? could you be mutilating? could she be mutilating? could we be mutilating? could you be mutilating? could they be mutilating?
Perfect
could I have mutilated? could you have mutilated? could she have mutilated? could we have mutilated? could you have mutilated? could they have mutilated?
V-ing perfect
could I have been mutilating? could you have been mutilating? could she have been mutilating? could we have been mutilating? could you have been mutilating? could they have been mutilating?
Interro-negative form
Simple form
couldn't I mutilate? couldn't you mutilate? couldn't she mutilate? couldn't we mutilate? couldn't you mutilate? couldn't they mutilate?
V-ing form
couldn't I be mutilating? couldn't you be mutilating? couldn't she be mutilating? couldn't we be mutilating? couldn't you be mutilating? couldn't they be mutilating?
Perfect
couldn't I have mutilated? couldn't you have mutilated? couldn't she have mutilated? couldn't we have mutilated? couldn't you have mutilated? couldn't they have mutilated?
V-ing perfect
couldn't I have been mutilating? couldn't you have been mutilating? couldn't she have been mutilating? couldn't we have been mutilating? couldn't you have been mutilating? couldn't they have been mutilating?