could weekend
Verbo regular: weekend - weekended- weekended

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could weekend
you could weekend
he could weekend
we could weekend
you could weekend
they could weekend 	I could be weekending
you could be weekending
he could be weekending
we could be weekending
you could be weekending
they could be weekending	I could have weekended
you could have weekended
he could have weekended
we could have weekended
you could have weekended
they could have weekended	I could have been weekending
you could have been weekending
he could have been weekending
we could have been weekending
you could have been weekending
they could have been weekending	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not weekend
you could not weekend
he could not weekend
we could not weekend
you could not weekend
they could not weekend 	I could not be weekending
you could not be weekending
he could not be weekending
we could not be weekending
you could not be weekending
they could not be weekending	I could not have weekended
you could not have weekended
he could not have weekended
we could not have weekended
you could not have weekended
they could not have weekended	I could not have been weekending
you could not have been weekending
he could not have been weekending
we could not have been weekending
you could not have been weekending
they could not have been weekending	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I weekend?
could you weekend?
could he weekend?
could we weekend?
could you weekend?
could they weekend? 	could I be weekending?
could you be weekending?
could he be weekending?
could we be weekending?
could you be weekending?
could they be weekending? 	could I have weekended?
could you have weekended?
could he have weekended?
could we have weekended?
could you have weekended?
could they have weekended? 	could I have been weekending?
could you have been weekending?
could he have been weekending?
could we have been weekending?
could you have been weekending?
could they have been weekending? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not weekend?
could you not weekend?
could he not weekend?
could we not weekend?
could you not weekend?
could they not weekend? 	could I not be weekending?
could you not be weekending?
could he not be weekending?
could we not be weekending?
could you not be weekending?
could they not be weekending? 	could I not have weekended?
could you not have weekended?
could he not have weekended?
could we not have weekended?
could you not have weekended?
could they not have weekended? 	could I not have been weekending?
could you not have been weekending?
could he not have been weekending?
could we not have been weekending?
could you not have been weekending?
could they not have been weekending?