Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could bore rebore you could bore rebore he could bore rebore we could bore rebore you could bore rebore they could bore rebore
V-ing form
I could be bore reboring you could be bore reboring he could be bore reboring we could be bore reboring you could be bore reboring they could be bore reboring
Perfect
I could have bore rebored you could have bore rebored he could have bore rebored we could have bore rebored you could have bore rebored they could have bore rebored
V-ing perfect
I could have been bore reboring you could have been bore reboring he could have been bore reboring we could have been bore reboring you could have been bore reboring they could have been bore reboring
Negation
Simple form
I could not bore rebore you could not bore rebore he could not bore rebore we could not bore rebore you could not bore rebore they could not bore rebore
V-ing form
I could not be bore reboring you could not be bore reboring he could not be bore reboring we could not be bore reboring you could not be bore reboring they could not be bore reboring
Perfect
I could not have bore rebored you could not have bore rebored he could not have bore rebored we could not have bore rebored you could not have bore rebored they could not have bore rebored
V-ing perfect
I could not have been bore reboring you could not have been bore reboring he could not have been bore reboring we could not have been bore reboring you could not have been bore reboring they could not have been bore reboring
Interrogative form
Simple form
could I bore rebore? could you bore rebore? could he bore rebore? could we bore rebore? could you bore rebore? could they bore rebore?
V-ing form
could I be bore reboring? could you be bore reboring? could he be bore reboring? could we be bore reboring? could you be bore reboring? could they be bore reboring?
Perfect
could I have bore rebored? could you have bore rebored? could he have bore rebored? could we have bore rebored? could you have bore rebored? could they have bore rebored?
V-ing perfect
could I have been bore reboring? could you have been bore reboring? could he have been bore reboring? could we have been bore reboring? could you have been bore reboring? could they have been bore reboring?
Interro-negative form
Simple form
could I not bore rebore? could you not bore rebore? could he not bore rebore? could we not bore rebore? could you not bore rebore? could they not bore rebore?
V-ing form
could I not be bore reboring? could you not be bore reboring? could he not be bore reboring? could we not be bore reboring? could you not be bore reboring? could they not be bore reboring?
Perfect
could I not have bore rebored? could you not have bore rebored? could he not have bore rebored? could we not have bore rebored? could you not have bore rebored? could they not have bore rebored?
V-ing perfect
could I not have been bore reboring? could you not have been bore reboring? could he not have been bore reboring? could we not have been bore reboring? could you not have been bore reboring? could they not have been bore reboring?