could mention
Verbo regular: mention - mentioned- mentioned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could mention
you could mention
she could mention
we could mention
you could mention
they could mention 	I could be mentioning
you could be mentioning
she could be mentioning
we could be mentioning
you could be mentioning
they could be mentioning	I could have mentioned
you could have mentioned
she could have mentioned
we could have mentioned
you could have mentioned
they could have mentioned	I could have been mentioning
you could have been mentioning
she could have been mentioning
we could have been mentioning
you could have been mentioning
they could have been mentioning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not mention
you could not mention
she could not mention
we could not mention
you could not mention
they could not mention 	I could not be mentioning
you could not be mentioning
she could not be mentioning
we could not be mentioning
you could not be mentioning
they could not be mentioning	I could not have mentioned
you could not have mentioned
she could not have mentioned
we could not have mentioned
you could not have mentioned
they could not have mentioned	I could not have been mentioning
you could not have been mentioning
she could not have been mentioning
we could not have been mentioning
you could not have been mentioning
they could not have been mentioning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I mention?
could you mention?
could she mention?
could we mention?
could you mention?
could they mention? 	could I be mentioning?
could you be mentioning?
could she be mentioning?
could we be mentioning?
could you be mentioning?
could they be mentioning? 	could I have mentioned?
could you have mentioned?
could she have mentioned?
could we have mentioned?
could you have mentioned?
could they have mentioned? 	could I have been mentioning?
could you have been mentioning?
could she have been mentioning?
could we have been mentioning?
could you have been mentioning?
could they have been mentioning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not mention?
could you not mention?
could she not mention?
could we not mention?
could you not mention?
could they not mention? 	could I not be mentioning?
could you not be mentioning?
could she not be mentioning?
could we not be mentioning?
could you not be mentioning?
could they not be mentioning? 	could I not have mentioned?
could you not have mentioned?
could she not have mentioned?
could we not have mentioned?
could you not have mentioned?
could they not have mentioned? 	could I not have been mentioning?
could you not have been mentioning?
could she not have been mentioning?
could we not have been mentioning?
could you not have been mentioning?
could they not have been mentioning?