English verb conjugation
COULD LINK

Regular verb: link - linked - linked

Affirmation

Simple form	V-ing form
I could link you could link she could link we could link you could link they could link	I could be linking you could be linking she could be linking we could be linking you could be linking they could be linking
Perfect	V-ing perfect
I could have linked you could have linked she could have linked we could have linked you could have linked they could have linked	I could have been linking you could have been linking she could have been linking we could have been linking you could have been linking they could have been linking

Negation

Simple form	V-ing form
I could not link you could not link she could not link we could not link you could not link they could not link	I could not be linking you could not be linking she could not be linking we could not be linking you could not be linking they could not be linking
Perfect	V-ing perfect
I could not have linked you could not have linked she could not have linked we could not have linked you could not have linked they could not have linked	I could not have been linking you could not have been linking she could not have been linking we could not have been linking you could not have been linking they could not have been linking

Interrogative form

Simple form	V-ing form
could I link? could you link? could she link? could we link? could you link? could they link?	could I be linking? could you be linking? could she be linking? could we be linking? could you be linking? could they be linking?
Perfect	V-ing perfect
could I have linked? could you have linked? could she have linked? could we have linked? could you have linked? could they have linked?	could I have been linking? could you have been linking? could she have been linking? could we have been linking? could you have been linking? could they have been linking?

Interro-negative form

Simple form	V-ing form
could I not link? could you not link? could she not link? could we not link? could you not link? could they not link?	could I not be linking? could you not be linking? could she not be linking? could we not be linking? could you not be linking? could they not be linking?
Perfect	V-ing perfect
could I not have linked? could you not have linked? could she not have linked? could we not have linked? could you not have linked? could they not have linked?	could I not have been linking? could you not have been linking? could she not have been linking? could we not have been linking? could you not have been linking? could they not have been linking?