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