could rue
Verbo regular: rue - rued- rued

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could rue
you could rue
she could rue
we could rue
you could rue
they could rue 	I could be ruing
you could be ruing
she could be ruing
we could be ruing
you could be ruing
they could be ruing	I could have rued
you could have rued
she could have rued
we could have rued
you could have rued
they could have rued	I could have been ruing
you could have been ruing
she could have been ruing
we could have been ruing
you could have been ruing
they could have been ruing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not rue
you could not rue
she could not rue
we could not rue
you could not rue
they could not rue 	I could not be ruing
you could not be ruing
she could not be ruing
we could not be ruing
you could not be ruing
they could not be ruing	I could not have rued
you could not have rued
she could not have rued
we could not have rued
you could not have rued
they could not have rued	I could not have been ruing
you could not have been ruing
she could not have been ruing
we could not have been ruing
you could not have been ruing
they could not have been ruing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I rue?
could you rue?
could she rue?
could we rue?
could you rue?
could they rue? 	could I be ruing?
could you be ruing?
could she be ruing?
could we be ruing?
could you be ruing?
could they be ruing? 	could I have rued?
could you have rued?
could she have rued?
could we have rued?
could you have rued?
could they have rued? 	could I have been ruing?
could you have been ruing?
could she have been ruing?
could we have been ruing?
could you have been ruing?
could they have been ruing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not rue?
could you not rue?
could she not rue?
could we not rue?
could you not rue?
could they not rue? 	could I not be ruing?
could you not be ruing?
could she not be ruing?
could we not be ruing?
could you not be ruing?
could they not be ruing? 	could I not have rued?
could you not have rued?
could she not have rued?
could we not have rued?
could you not have rued?
could they not have rued? 	could I not have been ruing?
could you not have been ruing?
could she not have been ruing?
could we not have been ruing?
could you not have been ruing?
could they not have been ruing?