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