could mutilate
Regular verb: mutilate - mutilated- mutilated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mutilate
you could mutilate
she could mutilate
we could mutilate
you could mutilate
they could mutilate 	I could be mutilating
you could be mutilating
she could be mutilating
we could be mutilating
you could be mutilating
they could be mutilating	I could have mutilated
you could have mutilated
she could have mutilated
we could have mutilated
you could have mutilated
they could have mutilated	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 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mutilate
you couldn't mutilate
she couldn't mutilate
we couldn't mutilate
you couldn't mutilate
they couldn't mutilate 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
could I mutilate?
could you mutilate?
could she mutilate?
could we mutilate?
could you mutilate?
could they mutilate? 	could I be mutilating?
could you be mutilating?
could she be mutilating?
could we be mutilating?
could you be mutilating?
could they be mutilating? 	could I have mutilated?
could you have mutilated?
could she have mutilated?
could we have mutilated?
could you have mutilated?
could they have mutilated? 	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 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mutilate?
couldn't you mutilate?
couldn't she mutilate?
couldn't we mutilate?
couldn't you mutilate?
couldn't they mutilate? 	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? 	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? 	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?