English verb conjugation
COULD DOUBLE-STOP

Regular verb: double-stop - double-stoped - double-stoped

Affirmation

Simple form	V-ing form
I could double-stop you could double-stop he could double-stop we could double-stop you could double-stop they could double-stop	I could be double-stoping you could be double-stoping he could be double-stoping we could be double-stoping you could be double-stoping they could be double-stoping
Perfect	V-ing perfect
I could have double-stoped you could have double-stoped he could have double-stoped we could have double-stoped you could have double-stoped they could have double-stoped	I could have been double-stoping you could have been double-stoping he could have been double-stoping we could have been double-stoping you could have been double-stoping they could have been double-stoping

Negation

Simple form	V-ing form
I could not double-stop you could not double-stop he could not double-stop we could not double-stop you could not double-stop they could not double-stop	I could not be double-stoping you could not be double-stoping he could not be double-stoping we could not be double-stoping you could not be double-stoping they could not be double-stoping
Perfect	V-ing perfect
I could not have double-stoped you could not have double-stoped he could not have double-stoped we could not have double-stoped you could not have double-stoped they could not have double-stoped	I could not have been double-stoping you could not have been double-stoping he could not have been double-stoping we could not have been double-stoping you could not have been double-stoping they could not have been double-stoping

Interrogative form

Simple form	V-ing form
could I double-stop? could you double-stop? could he double-stop? could we double-stop? could you double-stop? could they double-stop?	could I be double-stoping? could you be double-stoping? could he be double-stoping? could we be double-stoping? could you be double-stoping? could they be double-stoping?
Perfect	V-ing perfect
could I have double-stoped? could you have double-stoped? could he have double-stoped? could we have double-stoped? could you have double-stoped? could they have double-stoped?	could I have been double-stoping? could you have been double-stoping? could he have been double-stoping? could we have been double-stoping? could you have been double-stoping? could they have been double-stoping?

Interro-negative form

Simple form	V-ing form
could I not double-stop? could you not double-stop? could he not double-stop? could we not double-stop? could you not double-stop? could they not double-stop?	could I not be double-stoping? could you not be double-stoping? could he not be double-stoping? could we not be double-stoping? could you not be double-stoping? could they not be double-stoping?
Perfect	V-ing perfect
could I not have double-stoped? could you not have double-stoped? could he not have double-stoped? could we not have double-stoped? could you not have double-stoped? could they not have double-stoped?	could I not have been double-stoping? could you not have been double-stoping? could he not have been double-stoping? could we not have been double-stoping? could you not have been double-stoping? could they not have been double-stoping?