could menace
Regular verb: menace - menaced- menaced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could menace
you could menace
he could menace
we could menace
you could menace
they could menace 	I could be menacing
you could be menacing
he could be menacing
we could be menacing
you could be menacing
they could be menacing	I could have menaced
you could have menaced
he could have menaced
we could have menaced
you could have menaced
they could have menaced	I could have been menacing
you could have been menacing
he could have been menacing
we could have been menacing
you could have been menacing
they could have been menacing	

Negation 	
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I could not menace
you could not menace
he could not menace
we could not menace
you could not menace
they could not menace 	I could not be menacing
you could not be menacing
he could not be menacing
we could not be menacing
you could not be menacing
they could not be menacing	I could not have menaced
you could not have menaced
he could not have menaced
we could not have menaced
you could not have menaced
they could not have menaced	I could not have been menacing
you could not have been menacing
he could not have been menacing
we could not have been menacing
you could not have been menacing
they could not have been menacing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I menace?
could you menace?
could he menace?
could we menace?
could you menace?
could they menace? 	could I be menacing?
could you be menacing?
could he be menacing?
could we be menacing?
could you be menacing?
could they be menacing? 	could I have menaced?
could you have menaced?
could he have menaced?
could we have menaced?
could you have menaced?
could they have menaced? 	could I have been menacing?
could you have been menacing?
could he have been menacing?
could we have been menacing?
could you have been menacing?
could they have been menacing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not menace?
could you not menace?
could he not menace?
could we not menace?
could you not menace?
could they not menace? 	could I not be menacing?
could you not be menacing?
could he not be menacing?
could we not be menacing?
could you not be menacing?
could they not be menacing? 	could I not have menaced?
could you not have menaced?
could he not have menaced?
could we not have menaced?
could you not have menaced?
could they not have menaced? 	could I not have been menacing?
could you not have been menacing?
could he not have been menacing?
could we not have been menacing?
could you not have been menacing?
could they not have been menacing?