English verb conjugation
COULD EMPTY

Regular verb: empty - emptied - emptied

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?