English verb conjugation
MUST BENEFICE

Regular verb: benefice - beneficed - beneficed

Affirmation

Simple form	V-ing form
I must benefice you must benefice he must benefice we must benefice you must benefice they must benefice	I must be beneficing you must be beneficing he must be beneficing we must be beneficing you must be beneficing they must be beneficing
Perfect	V-ing perfect
I must have beneficed you must have beneficed he must have beneficed we must have beneficed you must have beneficed they must have beneficed	I must have been beneficing you must have been beneficing he must have been beneficing we must have been beneficing you must have been beneficing they must have been beneficing

Negation

Simple form	V-ing form
I mustn't benefice you mustn't benefice he mustn't benefice we mustn't benefice you mustn't benefice they mustn't benefice	I mustn't be beneficing you mustn't be beneficing he mustn't be beneficing we mustn't be beneficing you mustn't be beneficing they mustn't be beneficing
Perfect	V-ing perfect
I mustn't have beneficed you mustn't have beneficed he mustn't have beneficed we mustn't have beneficed you mustn't have beneficed they mustn't have beneficed	I mustn't have been beneficing you mustn't have been beneficing he mustn't have been beneficing we mustn't have been beneficing you mustn't have been beneficing they mustn't have been beneficing

Interrogative form

Simple form	V-ing form
must I benefice? must you benefice? must he benefice? must we benefice? must you benefice? must they benefice?	must I be beneficing? must you be beneficing? must he be beneficing? must we be beneficing? must you be beneficing? must they be beneficing?
Perfect	V-ing perfect
must I have beneficed? must you have beneficed? must he have beneficed? must we have beneficed? must you have beneficed? must they have beneficed?	must I have been beneficing? must you have been beneficing? must he have been beneficing? must we have been beneficing? must you have been beneficing? must they have been beneficing?

Interro-negative form

Simple form	V-ing form
mustn't I benefice? mustn't you benefice? mustn't he benefice? mustn't we benefice? mustn't you benefice? mustn't they benefice?	mustn't I be beneficing? mustn't you be beneficing? mustn't he be beneficing? mustn't we be beneficing? mustn't you be beneficing? mustn't they be beneficing?
Perfect	V-ing perfect
mustn't I have beneficed? mustn't you have beneficed? mustn't he have beneficed? mustn't we have beneficed? mustn't you have beneficed? mustn't they have beneficed?	mustn't I have been beneficing? mustn't you have been beneficing? mustn't he have been beneficing? mustn't we have been beneficing? mustn't you have been beneficing? mustn't they have been beneficing?