could mace
Regular verb: mace - maced- maced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mace
you could mace
she could mace
we could mace
you could mace
they could mace 	I could be macing
you could be macing
she could be macing
we could be macing
you could be macing
they could be macing	I could have maced
you could have maced
she could have maced
we could have maced
you could have maced
they could have maced	I could have been macing
you could have been macing
she could have been macing
we could have been macing
you could have been macing
they could have been macing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not mace
you could not mace
she could not mace
we could not mace
you could not mace
they could not mace 	I could not be macing
you could not be macing
she could not be macing
we could not be macing
you could not be macing
they could not be macing	I could not have maced
you could not have maced
she could not have maced
we could not have maced
you could not have maced
they could not have maced	I could not have been macing
you could not have been macing
she could not have been macing
we could not have been macing
you could not have been macing
they could not have been macing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I mace?
could you mace?
could she mace?
could we mace?
could you mace?
could they mace? 	could I be macing?
could you be macing?
could she be macing?
could we be macing?
could you be macing?
could they be macing? 	could I have maced?
could you have maced?
could she have maced?
could we have maced?
could you have maced?
could they have maced? 	could I have been macing?
could you have been macing?
could she have been macing?
could we have been macing?
could you have been macing?
could they have been macing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not mace?
could you not mace?
could she not mace?
could we not mace?
could you not mace?
could they not mace? 	could I not be macing?
could you not be macing?
could she not be macing?
could we not be macing?
could you not be macing?
could they not be macing? 	could I not have maced?
could you not have maced?
could she not have maced?
could we not have maced?
could you not have maced?
could they not have maced? 	could I not have been macing?
could you not have been macing?
could she not have been macing?
could we not have been macing?
could you not have been macing?
could they not have been macing?