could nightclub
Verbo regular: nightclub - nightclubed- nightclubed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could nightclub
you could nightclub
he could nightclub
we could nightclub
you could nightclub
they could nightclub 	I could be nightclubing
you could be nightclubing
he could be nightclubing
we could be nightclubing
you could be nightclubing
they could be nightclubing	I could have nightclubed
you could have nightclubed
he could have nightclubed
we could have nightclubed
you could have nightclubed
they could have nightclubed	I could have been nightclubing
you could have been nightclubing
he could have been nightclubing
we could have been nightclubing
you could have been nightclubing
they could have been nightclubing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not nightclub
you could not nightclub
he could not nightclub
we could not nightclub
you could not nightclub
they could not nightclub 	I could not be nightclubing
you could not be nightclubing
he could not be nightclubing
we could not be nightclubing
you could not be nightclubing
they could not be nightclubing	I could not have nightclubed
you could not have nightclubed
he could not have nightclubed
we could not have nightclubed
you could not have nightclubed
they could not have nightclubed	I could not have been nightclubing
you could not have been nightclubing
he could not have been nightclubing
we could not have been nightclubing
you could not have been nightclubing
they could not have been nightclubing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I nightclub?
could you nightclub?
could he nightclub?
could we nightclub?
could you nightclub?
could they nightclub? 	could I be nightclubing?
could you be nightclubing?
could he be nightclubing?
could we be nightclubing?
could you be nightclubing?
could they be nightclubing? 	could I have nightclubed?
could you have nightclubed?
could he have nightclubed?
could we have nightclubed?
could you have nightclubed?
could they have nightclubed? 	could I have been nightclubing?
could you have been nightclubing?
could he have been nightclubing?
could we have been nightclubing?
could you have been nightclubing?
could they have been nightclubing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not nightclub?
could you not nightclub?
could he not nightclub?
could we not nightclub?
could you not nightclub?
could they not nightclub? 	could I not be nightclubing?
could you not be nightclubing?
could he not be nightclubing?
could we not be nightclubing?
could you not be nightclubing?
could they not be nightclubing? 	could I not have nightclubed?
could you not have nightclubed?
could he not have nightclubed?
could we not have nightclubed?
could you not have nightclubed?
could they not have nightclubed? 	could I not have been nightclubing?
could you not have been nightclubing?
could he not have been nightclubing?
could we not have been nightclubing?
could you not have been nightclubing?
could they not have been nightclubing?