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 must not im you must not im he must not im we must not im you must not im they must not im	I must not be iming you must not be iming he must not be iming we must not be iming you must not be iming they must not be iming
Perfect	V-ing perfect
I must not have imed you must not have imed he must not have imed we must not have imed you must not have imed they must not have imed	I must not have been iming you must not have been iming he must not have been iming we must not have been iming you must not have been iming they must not 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
must I not im? must you not im? must he not im? must we not im? must you not im? must they not im?	must I not be iming? must you not be iming? must he not be iming? must we not be iming? must you not be iming? must they not be iming?
Perfect	V-ing perfect
must I not have imed? must you not have imed? must he not have imed? must we not have imed? must you not have imed? must they not have imed?	must I not have been iming? must you not have been iming? must he not have been iming? must we not have been iming? must you not have been iming? must they not have been iming?