could blush
Verbo regular: blush - blushed- blushed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could blush
you could blush
she could blush
we could blush
you could blush
they could blush 	I could be blushing
you could be blushing
she could be blushing
we could be blushing
you could be blushing
they could be blushing	I could have blushed
you could have blushed
she could have blushed
we could have blushed
you could have blushed
they could have blushed	I could have been blushing
you could have been blushing
she could have been blushing
we could have been blushing
you could have been blushing
they could have been blushing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not blush
you could not blush
she could not blush
we could not blush
you could not blush
they could not blush 	I could not be blushing
you could not be blushing
she could not be blushing
we could not be blushing
you could not be blushing
they could not be blushing	I could not have blushed
you could not have blushed
she could not have blushed
we could not have blushed
you could not have blushed
they could not have blushed	I could not have been blushing
you could not have been blushing
she could not have been blushing
we could not have been blushing
you could not have been blushing
they could not have been blushing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I blush?
could you blush?
could she blush?
could we blush?
could you blush?
could they blush? 	could I be blushing?
could you be blushing?
could she be blushing?
could we be blushing?
could you be blushing?
could they be blushing? 	could I have blushed?
could you have blushed?
could she have blushed?
could we have blushed?
could you have blushed?
could they have blushed? 	could I have been blushing?
could you have been blushing?
could she have been blushing?
could we have been blushing?
could you have been blushing?
could they have been blushing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not blush?
could you not blush?
could she not blush?
could we not blush?
could you not blush?
could they not blush? 	could I not be blushing?
could you not be blushing?
could she not be blushing?
could we not be blushing?
could you not be blushing?
could they not be blushing? 	could I not have blushed?
could you not have blushed?
could she not have blushed?
could we not have blushed?
could you not have blushed?
could they not have blushed? 	could I not have been blushing?
could you not have been blushing?
could she not have been blushing?
could we not have been blushing?
could you not have been blushing?
could they not have been blushing?