must disinherit
Regular verb: disinherit - disinherited- disinherited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must disinherit
you must disinherit
she must disinherit
we must disinherit
you must disinherit
they must disinherit 	I must be disinheriting
you must be disinheriting
she must be disinheriting
we must be disinheriting
you must be disinheriting
they must be disinheriting	I must have disinherited
you must have disinherited
she must have disinherited
we must have disinherited
you must have disinherited
they must have disinherited	I must have been disinheriting
you must have been disinheriting
she must have been disinheriting
we must have been disinheriting
you must have been disinheriting
they must have been disinheriting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't disinherit
you mustn't disinherit
she mustn't disinherit
we mustn't disinherit
you mustn't disinherit
they mustn't disinherit 	I mustn't be disinheriting
you mustn't be disinheriting
she mustn't be disinheriting
we mustn't be disinheriting
you mustn't be disinheriting
they mustn't be disinheriting	I mustn't have disinherited
you mustn't have disinherited
she mustn't have disinherited
we mustn't have disinherited
you mustn't have disinherited
they mustn't have disinherited	I mustn't have been disinheriting
you mustn't have been disinheriting
she mustn't have been disinheriting
we mustn't have been disinheriting
you mustn't have been disinheriting
they mustn't have been disinheriting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I disinherit?
must you disinherit?
must she disinherit?
must we disinherit?
must you disinherit?
must they disinherit? 	must I be disinheriting?
must you be disinheriting?
must she be disinheriting?
must we be disinheriting?
must you be disinheriting?
must they be disinheriting? 	must I have disinherited?
must you have disinherited?
must she have disinherited?
must we have disinherited?
must you have disinherited?
must they have disinherited? 	must I have been disinheriting?
must you have been disinheriting?
must she have been disinheriting?
must we have been disinheriting?
must you have been disinheriting?
must they have been disinheriting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I disinherit?
mustn't you disinherit?
mustn't she disinherit?
mustn't we disinherit?
mustn't you disinherit?
mustn't they disinherit? 	mustn't I be disinheriting?
mustn't you be disinheriting?
mustn't she be disinheriting?
mustn't we be disinheriting?
mustn't you be disinheriting?
mustn't they be disinheriting? 	mustn't I have disinherited?
mustn't you have disinherited?
mustn't she have disinherited?
mustn't we have disinherited?
mustn't you have disinherited?
mustn't they have disinherited? 	mustn't I have been disinheriting?
mustn't you have been disinheriting?
mustn't she have been disinheriting?
mustn't we have been disinheriting?
mustn't you have been disinheriting?
mustn't they have been disinheriting?