English verb conjugation
COULD HAVE HAVE

Regular verb: have have - have haved - have haved

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could have have you could have have he could have have we could have have you could have have they could have have	I could be have having you could be have having he could be have having we could be have having you could be have having they could be have having
Perfect	V-ing perfect
I could have have haved you could have have haved he could have have haved we could have have haved you could have have haved they could have have haved	I could have been have having you could have been have having he could have been have having we could have been have having you could have been have having they could have been have having

Negation

Simple form	V-ing form
I could not have have you could not have have he could not have have we could not have have you could not have have they could not have have	I could not be have having you could not be have having he could not be have having we could not be have having you could not be have having they could not be have having
Perfect	V-ing perfect
I could not have have haved you could not have have haved he could not have have haved we could not have have haved you could not have have haved they could not have have haved	I could not have been have having you could not have been have having he could not have been have having we could not have been have having you could not have been have having they could not have been have having

Interrogative form

Simple form	V-ing form
could I have have? could you have have? could he have have? could we have have? could you have have? could they have have?	could I be have having? could you be have having? could he be have having? could we be have having? could you be have having? could they be have having?
Perfect	V-ing perfect
could I have have haved? could you have have haved? could he have have haved? could we have have haved? could you have have haved? could they have have haved?	could I have been have having? could you have been have having? could he have been have having? could we have been have having? could you have been have having? could they have been have having?

Interro-negative form

Simple form	V-ing form
could I not have have? could you not have have? could he not have have? could we not have have? could you not have have? could they not have have?	could I not be have having? could you not be have having? could he not be have having? could we not be have having? could you not be have having? could they not be have having?
Perfect	V-ing perfect
could I not have have haved? could you not have have haved? could he not have have haved? could we not have have haved? could you not have have haved? could they not have have haved?	could I not have been have having? could you not have been have having? could he not have been have having? could we not have been have having? could you not have been have having? could they not have been have having?