could relace
Verbo regular: relace - relaced- relaced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could relace
you could relace
she could relace
we could relace
you could relace
they could relace 	I could be relacing
you could be relacing
she could be relacing
we could be relacing
you could be relacing
they could be relacing	I could have relaced
you could have relaced
she could have relaced
we could have relaced
you could have relaced
they could have relaced	I could have been relacing
you could have been relacing
she could have been relacing
we could have been relacing
you could have been relacing
they could have been relacing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not relace
you could not relace
she could not relace
we could not relace
you could not relace
they could not relace 	I could not be relacing
you could not be relacing
she could not be relacing
we could not be relacing
you could not be relacing
they could not be relacing	I could not have relaced
you could not have relaced
she could not have relaced
we could not have relaced
you could not have relaced
they could not have relaced	I could not have been relacing
you could not have been relacing
she could not have been relacing
we could not have been relacing
you could not have been relacing
they could not have been relacing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I relace?
could you relace?
could she relace?
could we relace?
could you relace?
could they relace? 	could I be relacing?
could you be relacing?
could she be relacing?
could we be relacing?
could you be relacing?
could they be relacing? 	could I have relaced?
could you have relaced?
could she have relaced?
could we have relaced?
could you have relaced?
could they have relaced? 	could I have been relacing?
could you have been relacing?
could she have been relacing?
could we have been relacing?
could you have been relacing?
could they have been relacing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not relace?
could you not relace?
could she not relace?
could we not relace?
could you not relace?
could they not relace? 	could I not be relacing?
could you not be relacing?
could she not be relacing?
could we not be relacing?
could you not be relacing?
could they not be relacing? 	could I not have relaced?
could you not have relaced?
could she not have relaced?
could we not have relaced?
could you not have relaced?
could they not have relaced? 	could I not have been relacing?
could you not have been relacing?
could she not have been relacing?
could we not have been relacing?
could you not have been relacing?
could they not have been relacing?