I must marry you must marry she must marry we must marry you must marry they must marry
V-ing form
I must be marrying you must be marrying she must be marrying we must be marrying you must be marrying they must be marrying
Perfect
I must have married you must have married she 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 she must have been marrying we must have been marrying you must have been marrying they must have been marrying
Negation
Simple form
I mustn't marry you mustn't marry she mustn't marry we mustn't marry you mustn't marry they mustn't marry
V-ing form
I mustn't be marrying you mustn't be marrying she mustn't be marrying we mustn't be marrying you mustn't be marrying they mustn't be marrying
Perfect
I mustn't have married you mustn't have married she mustn't have married we mustn't have married you mustn't have married they mustn't have married
V-ing perfect
I mustn't have been marrying you mustn't have been marrying she mustn't have been marrying we mustn't have been marrying you mustn't have been marrying they mustn't have been marrying
Interrogative form
Simple form
must I marry? must you marry? must she marry? must we marry? must you marry? must they marry?
V-ing form
must I be marrying? must you be marrying? must she be marrying? must we be marrying? must you be marrying? must they be marrying?
Perfect
must I have married? must you have married? must she 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 she have been marrying? must we have been marrying? must you have been marrying? must they have been marrying?
Interro-negative form
Simple form
mustn't I marry? mustn't you marry? mustn't she marry? mustn't we marry? mustn't you marry? mustn't they marry?
V-ing form
mustn't I be marrying? mustn't you be marrying? mustn't she be marrying? mustn't we be marrying? mustn't you be marrying? mustn't they be marrying?
Perfect
mustn't I have married? mustn't you have married? mustn't she have married? mustn't we have married? mustn't you have married? mustn't they have married?
V-ing perfect
mustn't I have been marrying? mustn't you have been marrying? mustn't she have been marrying? mustn't we have been marrying? mustn't you have been marrying? mustn't they have been marrying?