English verb conjugation
COULD MINGLE

Regular verb: mingle - mingled - mingled

Affirmation

Simple form	V-ing form
I could mingle you could mingle he could mingle we could mingle you could mingle they could mingle	I could be mingling you could be mingling he could be mingling we could be mingling you could be mingling they could be mingling
Perfect	V-ing perfect
I could have mingled you could have mingled he could have mingled we could have mingled you could have mingled they could have mingled	I could have been mingling you could have been mingling he could have been mingling we could have been mingling you could have been mingling they could have been mingling

Negation

Simple form	V-ing form
I could not mingle you could not mingle he could not mingle we could not mingle you could not mingle they could not mingle	I could not be mingling you could not be mingling he could not be mingling we could not be mingling you could not be mingling they could not be mingling
Perfect	V-ing perfect
I could not have mingled you could not have mingled he could not have mingled we could not have mingled you could not have mingled they could not have mingled	I could not have been mingling you could not have been mingling he could not have been mingling we could not have been mingling you could not have been mingling they could not have been mingling

Interrogative form

Simple form	V-ing form
could I mingle? could you mingle? could he mingle? could we mingle? could you mingle? could they mingle?	could I be mingling? could you be mingling? could he be mingling? could we be mingling? could you be mingling? could they be mingling?
Perfect	V-ing perfect
could I have mingled? could you have mingled? could he have mingled? could we have mingled? could you have mingled? could they have mingled?	could I have been mingling? could you have been mingling? could he have been mingling? could we have been mingling? could you have been mingling? could they have been mingling?

Interro-negative form

Simple form	V-ing form
could I not mingle? could you not mingle? could he not mingle? could we not mingle? could you not mingle? could they not mingle?	could I not be mingling? could you not be mingling? could he not be mingling? could we not be mingling? could you not be mingling? could they not be mingling?
Perfect	V-ing perfect
could I not have mingled? could you not have mingled? could he not have mingled? could we not have mingled? could you not have mingled? could they not have mingled?	could I not have been mingling? could you not have been mingling? could he not have been mingling? could we not have been mingling? could you not have been mingling? could they not have been mingling?