English verb conjugation
MUST PERM

Regular verb: perm - permed - permed

Affirmation

Simple form	V-ing form
I must perm you must perm he must perm we must perm you must perm they must perm	I must be perming you must be perming he must be perming we must be perming you must be perming they must be perming
Perfect	V-ing perfect
I must have permed you must have permed he must have permed we must have permed you must have permed they must have permed	I must have been perming you must have been perming he must have been perming we must have been perming you must have been perming they must have been perming

Negation

Simple form	V-ing form
I mustn't perm you mustn't perm he mustn't perm we mustn't perm you mustn't perm they mustn't perm	I mustn't be perming you mustn't be perming he mustn't be perming we mustn't be perming you mustn't be perming they mustn't be perming
Perfect	V-ing perfect
I mustn't have permed you mustn't have permed he mustn't have permed we mustn't have permed you mustn't have permed they mustn't have permed	I mustn't have been perming you mustn't have been perming he mustn't have been perming we mustn't have been perming you mustn't have been perming they mustn't have been perming

Interrogative form

Simple form	V-ing form
must I perm? must you perm? must he perm? must we perm? must you perm? must they perm?	must I be perming? must you be perming? must he be perming? must we be perming? must you be perming? must they be perming?
Perfect	V-ing perfect
must I have permed? must you have permed? must he have permed? must we have permed? must you have permed? must they have permed?	must I have been perming? must you have been perming? must he have been perming? must we have been perming? must you have been perming? must they have been perming?

Interro-negative form

Simple form	V-ing form
mustn't I perm? mustn't you perm? mustn't he perm? mustn't we perm? mustn't you perm? mustn't they perm?	mustn't I be perming? mustn't you be perming? mustn't he be perming? mustn't we be perming? mustn't you be perming? mustn't they be perming?
Perfect	V-ing perfect
mustn't I have permed? mustn't you have permed? mustn't he have permed? mustn't we have permed? mustn't you have permed? mustn't they have permed?	mustn't I have been perming? mustn't you have been perming? mustn't he have been perming? mustn't we have been perming? mustn't you have been perming? mustn't they have been perming?