I must marry you must marry he must marry we must marry you must marry they must marry
V-ing form
I must be marrying you must be marrying he must be marrying we must be marrying you must be marrying they must be marrying
Perfect
I must have married you must have married he must have married we must have married you must have married they must have married
V-ing perfect
I must have been marrying you must have been marrying he must have been marrying we must have been marrying you must have been marrying they must have been marrying
Negation
Simple form
I must not marry you must not marry he must not marry we must not marry you must not marry they must not marry
V-ing form
I must not be marrying you must not be marrying he must not be marrying we must not be marrying you must not be marrying they must not be marrying
Perfect
I must not have married you must not have married he must not have married we must not have married you must not have married they must not have married
V-ing perfect
I must not have been marrying you must not have been marrying he must not have been marrying we must not have been marrying you must not have been marrying they must not have been marrying
Interrogative form
Simple form
must I marry? must you marry? must he marry? must we marry? must you marry? must they marry?
V-ing form
must I be marrying? must you be marrying? must he be marrying? must we be marrying? must you be marrying? must they be marrying?
Perfect
must I have married? must you have married? must he have married? must we have married? must you have married? must they have married?
V-ing perfect
must I have been marrying? must you have been marrying? must he have been marrying? must we have been marrying? must you have been marrying? must they have been marrying?
Interro-negative form
Simple form
must I not marry? must you not marry? must he not marry? must we not marry? must you not marry? must they not marry?
V-ing form
must I not be marrying? must you not be marrying? must he not be marrying? must we not be marrying? must you not be marrying? must they not be marrying?
Perfect
must I not have married? must you not have married? must he not have married? must we not have married? must you not have married? must they not have married?
V-ing perfect
must I not have been marrying? must you not have been marrying? must he not have been marrying? must we not have been marrying? must you not have been marrying? must they not have been marrying?