English verb conjugation
MUST UNSTICK

Regular verb: unstick - unsticked - unsticked

Affirmation

Simple form	V-ing form
I must unstick you must unstick he must unstick we must unstick you must unstick they must unstick	I must be unsticking you must be unsticking he must be unsticking we must be unsticking you must be unsticking they must be unsticking
Perfect	V-ing perfect
I must have unsticked you must have unsticked he must have unsticked we must have unsticked you must have unsticked they must have unsticked	I must have been unsticking you must have been unsticking he must have been unsticking we must have been unsticking you must have been unsticking they must have been unsticking

Negation

Simple form	V-ing form
I mustn't unstick you mustn't unstick he mustn't unstick we mustn't unstick you mustn't unstick they mustn't unstick	I mustn't be unsticking you mustn't be unsticking he mustn't be unsticking we mustn't be unsticking you mustn't be unsticking they mustn't be unsticking
Perfect	V-ing perfect
I mustn't have unsticked you mustn't have unsticked he mustn't have unsticked we mustn't have unsticked you mustn't have unsticked they mustn't have unsticked	I mustn't have been unsticking you mustn't have been unsticking he mustn't have been unsticking we mustn't have been unsticking you mustn't have been unsticking they mustn't have been unsticking

Interrogative form

Simple form	V-ing form
must I unstick? must you unstick? must he unstick? must we unstick? must you unstick? must they unstick?	must I be unsticking? must you be unsticking? must he be unsticking? must we be unsticking? must you be unsticking? must they be unsticking?
Perfect	V-ing perfect
must I have unsticked? must you have unsticked? must he have unsticked? must we have unsticked? must you have unsticked? must they have unsticked?	must I have been unsticking? must you have been unsticking? must he have been unsticking? must we have been unsticking? must you have been unsticking? must they have been unsticking?

Interro-negative form

Simple form	V-ing form
mustn't I unstick? mustn't you unstick? mustn't he unstick? mustn't we unstick? mustn't you unstick? mustn't they unstick?	mustn't I be unsticking? mustn't you be unsticking? mustn't he be unsticking? mustn't we be unsticking? mustn't you be unsticking? mustn't they be unsticking?
Perfect	V-ing perfect
mustn't I have unsticked? mustn't you have unsticked? mustn't he have unsticked? mustn't we have unsticked? mustn't you have unsticked? mustn't they have unsticked?	mustn't I have been unsticking? mustn't you have been unsticking? mustn't he have been unsticking? mustn't we have been unsticking? mustn't you have been unsticking? mustn't they have been unsticking?