English verb conjugation
MUST IM

Regular verb: im - imed - imed

Affirmation

Simple form	V-ing form
I must im you must im he must im we must im you must im they must im	I must be iming you must be iming he must be iming we must be iming you must be iming they must be iming
Perfect	V-ing perfect
I must have imed you must have imed he must have imed we must have imed you must have imed they must have imed	I must have been iming you must have been iming he must have been iming we must have been iming you must have been iming they must have been iming

Negation

Simple form	V-ing form
I mustn't im you mustn't im he mustn't im we mustn't im you mustn't im they mustn't im	I mustn't be iming you mustn't be iming he mustn't be iming we mustn't be iming you mustn't be iming they mustn't be iming
Perfect	V-ing perfect
I mustn't have imed you mustn't have imed he mustn't have imed we mustn't have imed you mustn't have imed they mustn't have imed	I mustn't have been iming you mustn't have been iming he mustn't have been iming we mustn't have been iming you mustn't have been iming they mustn't have been iming

Interrogative form

Simple form	V-ing form
must I im? must you im? must he im? must we im? must you im? must they im?	must I be iming? must you be iming? must he be iming? must we be iming? must you be iming? must they be iming?
Perfect	V-ing perfect
must I have imed? must you have imed? must he have imed? must we have imed? must you have imed? must they have imed?	must I have been iming? must you have been iming? must he have been iming? must we have been iming? must you have been iming? must they have been iming?

Interro-negative form

Simple form	V-ing form
mustn't I im? mustn't you im? mustn't he im? mustn't we im? mustn't you im? mustn't they im?	mustn't I be iming? mustn't you be iming? mustn't he be iming? mustn't we be iming? mustn't you be iming? mustn't they be iming?
Perfect	V-ing perfect
mustn't I have imed? mustn't you have imed? mustn't he have imed? mustn't we have imed? mustn't you have imed? mustn't they have imed?	mustn't I have been iming? mustn't you have been iming? mustn't he have been iming? mustn't we have been iming? mustn't you have been iming? mustn't they have been iming?