Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must bring sth you must bring sth he must bring sth we must bring sth you must bring sth they must bring sth
V-ing form
I must be bring sthing you must be bring sthing he must be bring sthing we must be bring sthing you must be bring sthing they must be bring sthing
Perfect
I must have bring sthed you must have bring sthed he must have bring sthed we must have bring sthed you must have bring sthed they must have bring sthed
V-ing perfect
I must have been bring sthing you must have been bring sthing he must have been bring sthing we must have been bring sthing you must have been bring sthing they must have been bring sthing
Negation
Simple form
I must not bring sth you must not bring sth he must not bring sth we must not bring sth you must not bring sth they must not bring sth
V-ing form
I must not be bring sthing you must not be bring sthing he must not be bring sthing we must not be bring sthing you must not be bring sthing they must not be bring sthing
Perfect
I must not have bring sthed you must not have bring sthed he must not have bring sthed we must not have bring sthed you must not have bring sthed they must not have bring sthed
V-ing perfect
I must not have been bring sthing you must not have been bring sthing he must not have been bring sthing we must not have been bring sthing you must not have been bring sthing they must not have been bring sthing
Interrogative form
Simple form
must I bring sth? must you bring sth? must he bring sth? must we bring sth? must you bring sth? must they bring sth?
V-ing form
must I be bring sthing? must you be bring sthing? must he be bring sthing? must we be bring sthing? must you be bring sthing? must they be bring sthing?
Perfect
must I have bring sthed? must you have bring sthed? must he have bring sthed? must we have bring sthed? must you have bring sthed? must they have bring sthed?
V-ing perfect
must I have been bring sthing? must you have been bring sthing? must he have been bring sthing? must we have been bring sthing? must you have been bring sthing? must they have been bring sthing?
Interro-negative form
Simple form
must I not bring sth? must you not bring sth? must he not bring sth? must we not bring sth? must you not bring sth? must they not bring sth?
V-ing form
must I not be bring sthing? must you not be bring sthing? must he not be bring sthing? must we not be bring sthing? must you not be bring sthing? must they not be bring sthing?
Perfect
must I not have bring sthed? must you not have bring sthed? must he not have bring sthed? must we not have bring sthed? must you not have bring sthed? must they not have bring sthed?
V-ing perfect
must I not have been bring sthing? must you not have been bring sthing? must he not have been bring sthing? must we not have been bring sthing? must you not have been bring sthing? must they not have been bring sthing?