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