English verb conjugation
MUST SUBJECT

Regular verb: subject - subjected - subjected

Affirmation

Simple form	V-ing form
I must subject you must subject he must subject we must subject you must subject they must subject	I must be subjecting you must be subjecting he must be subjecting we must be subjecting you must be subjecting they must be subjecting
Perfect	V-ing perfect
I must have subjected you must have subjected he must have subjected we must have subjected you must have subjected they must have subjected	I must have been subjecting you must have been subjecting he must have been subjecting we must have been subjecting you must have been subjecting they must have been subjecting

Negation

Simple form	V-ing form
I must not subject you must not subject he must not subject we must not subject you must not subject they must not subject	I must not be subjecting you must not be subjecting he must not be subjecting we must not be subjecting you must not be subjecting they must not be subjecting
Perfect	V-ing perfect
I must not have subjected you must not have subjected he must not have subjected we must not have subjected you must not have subjected they must not have subjected	I must not have been subjecting you must not have been subjecting he must not have been subjecting we must not have been subjecting you must not have been subjecting they must not have been subjecting

Interrogative form

Simple form	V-ing form
must I subject? must you subject? must he subject? must we subject? must you subject? must they subject?	must I be subjecting? must you be subjecting? must he be subjecting? must we be subjecting? must you be subjecting? must they be subjecting?
Perfect	V-ing perfect
must I have subjected? must you have subjected? must he have subjected? must we have subjected? must you have subjected? must they have subjected?	must I have been subjecting? must you have been subjecting? must he have been subjecting? must we have been subjecting? must you have been subjecting? must they have been subjecting?

Interro-negative form

Simple form	V-ing form
must I not subject? must you not subject? must he not subject? must we not subject? must you not subject? must they not subject?	must I not be subjecting? must you not be subjecting? must he not be subjecting? must we not be subjecting? must you not be subjecting? must they not be subjecting?
Perfect	V-ing perfect
must I not have subjected? must you not have subjected? must he not have subjected? must we not have subjected? must you not have subjected? must they not have subjected?	must I not have been subjecting? must you not have been subjecting? must he not have been subjecting? must we not have been subjecting? must you not have been subjecting? must they not have been subjecting?