must disown
Regular verb: disown - disowned- disowned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must disown
you must disown
she must disown
we must disown
you must disown
they must disown 	I must be disowning
you must be disowning
she must be disowning
we must be disowning
you must be disowning
they must be disowning	I must have disowned
you must have disowned
she must have disowned
we must have disowned
you must have disowned
they must have disowned	I must have been disowning
you must have been disowning
she must have been disowning
we must have been disowning
you must have been disowning
they must have been disowning	

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

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