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