could empty
Verbo regular: empty - emptied- emptied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could empty
you could empty
he could empty
we could empty
you could empty
they could empty 	I could be emptying
you could be emptying
he could be emptying
we could be emptying
you could be emptying
they could be emptying	I could have emptied
you could have emptied
he could have emptied
we could have emptied
you could have emptied
they could have emptied	I could have been emptying
you could have been emptying
he could have been emptying
we could have been emptying
you could have been emptying
they could have been emptying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not empty
you could not empty
he could not empty
we could not empty
you could not empty
they could not empty 	I could not be emptying
you could not be emptying
he could not be emptying
we could not be emptying
you could not be emptying
they could not be emptying	I could not have emptied
you could not have emptied
he could not have emptied
we could not have emptied
you could not have emptied
they could not have emptied	I could not have been emptying
you could not have been emptying
he could not have been emptying
we could not have been emptying
you could not have been emptying
they could not have been emptying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I empty?
could you empty?
could he empty?
could we empty?
could you empty?
could they empty? 	could I be emptying?
could you be emptying?
could he be emptying?
could we be emptying?
could you be emptying?
could they be emptying? 	could I have emptied?
could you have emptied?
could he have emptied?
could we have emptied?
could you have emptied?
could they have emptied? 	could I have been emptying?
could you have been emptying?
could he have been emptying?
could we have been emptying?
could you have been emptying?
could they have been emptying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not empty?
could you not empty?
could he not empty?
could we not empty?
could you not empty?
could they not empty? 	could I not be emptying?
could you not be emptying?
could he not be emptying?
could we not be emptying?
could you not be emptying?
could they not be emptying? 	could I not have emptied?
could you not have emptied?
could he not have emptied?
could we not have emptied?
could you not have emptied?
could they not have emptied? 	could I not have been emptying?
could you not have been emptying?
could he not have been emptying?
could we not have been emptying?
could you not have been emptying?
could they not have been emptying?