I must disown you must disown he must disown we must disown you must disown they must disown
V-ing form
I must be disowning you must be disowning he must be disowning we must be disowning you must be disowning they must be disowning
Perfect
I must have disowned you must have disowned he must have disowned we must have disowned you must have disowned they must have disowned
V-ing perfect
I must have been disowning you must have been disowning he must have been disowning we must have been disowning you must have been disowning they must have been disowning
Negation
Simple form
I mustn't disown you mustn't disown he mustn't disown we mustn't disown you mustn't disown they mustn't disown
V-ing form
I mustn't be disowning you mustn't be disowning he mustn't be disowning we mustn't be disowning you mustn't be disowning they mustn't be disowning
Perfect
I mustn't have disowned you mustn't have disowned he mustn't have disowned we mustn't have disowned you mustn't have disowned they mustn't have disowned
V-ing perfect
I mustn't have been disowning you mustn't have been disowning he mustn't have been disowning we mustn't have been disowning you mustn't have been disowning they mustn't have been disowning
Interrogative form
Simple form
must I disown? must you disown? must he disown? must we disown? must you disown? must they disown?
V-ing form
must I be disowning? must you be disowning? must he be disowning? must we be disowning? must you be disowning? must they be disowning?
Perfect
must I have disowned? must you have disowned? must he have disowned? must we have disowned? must you have disowned? must they have disowned?
V-ing perfect
must I have been disowning? must you have been disowning? must he have been disowning? must we have been disowning? must you have been disowning? must they have been disowning?
Interro-negative form
Simple form
mustn't I disown? mustn't you disown? mustn't he disown? mustn't we disown? mustn't you disown? mustn't they disown?
V-ing form
mustn't I be disowning? mustn't you be disowning? mustn't he be disowning? mustn't we be disowning? mustn't you be disowning? mustn't they be disowning?
Perfect
mustn't I have disowned? mustn't you have disowned? mustn't he have disowned? mustn't we have disowned? mustn't you have disowned? mustn't they have disowned?
V-ing perfect
mustn't I have been disowning? mustn't you have been disowning? mustn't he have been disowning? mustn't we have been disowning? mustn't you have been disowning? mustn't they have been disowning?