English verb conjugation
COULD DETACH

Regular verb: detach - detached - detached

Affirmation

Simple form	V-ing form
I could detach you could detach he could detach we could detach you could detach they could detach	I could be detaching you could be detaching he could be detaching we could be detaching you could be detaching they could be detaching
Perfect	V-ing perfect
I could have detached you could have detached he could have detached we could have detached you could have detached they could have detached	I could have been detaching you could have been detaching he could have been detaching we could have been detaching you could have been detaching they could have been detaching

Negation

Simple form	V-ing form
I could not detach you could not detach he could not detach we could not detach you could not detach they could not detach	I could not be detaching you could not be detaching he could not be detaching we could not be detaching you could not be detaching they could not be detaching
Perfect	V-ing perfect
I could not have detached you could not have detached he could not have detached we could not have detached you could not have detached they could not have detached	I could not have been detaching you could not have been detaching he could not have been detaching we could not have been detaching you could not have been detaching they could not have been detaching

Interrogative form

Simple form	V-ing form
could I detach? could you detach? could he detach? could we detach? could you detach? could they detach?	could I be detaching? could you be detaching? could he be detaching? could we be detaching? could you be detaching? could they be detaching?
Perfect	V-ing perfect
could I have detached? could you have detached? could he have detached? could we have detached? could you have detached? could they have detached?	could I have been detaching? could you have been detaching? could he have been detaching? could we have been detaching? could you have been detaching? could they have been detaching?

Interro-negative form

Simple form	V-ing form
could I not detach? could you not detach? could he not detach? could we not detach? could you not detach? could they not detach?	could I not be detaching? could you not be detaching? could he not be detaching? could we not be detaching? could you not be detaching? could they not be detaching?
Perfect	V-ing perfect
could I not have detached? could you not have detached? could he not have detached? could we not have detached? could you not have detached? could they not have detached?	could I not have been detaching? could you not have been detaching? could he not have been detaching? could we not have been detaching? could you not have been detaching? could they not have been detaching?