English verb conjugation
MUST MARGIN

Regular verb: margin - margined - margined

Affirmation

Simple form	V-ing form
I must margin you must margin he must margin we must margin you must margin they must margin	I must be margining you must be margining he must be margining we must be margining you must be margining they must be margining
Perfect	V-ing perfect
I must have margined you must have margined he must have margined we must have margined you must have margined they must have margined	I must have been margining you must have been margining he must have been margining we must have been margining you must have been margining they must have been margining

Negation

Simple form	V-ing form
I must not margin you must not margin he must not margin we must not margin you must not margin they must not margin	I must not be margining you must not be margining he must not be margining we must not be margining you must not be margining they must not be margining
Perfect	V-ing perfect
I must not have margined you must not have margined he must not have margined we must not have margined you must not have margined they must not have margined	I must not have been margining you must not have been margining he must not have been margining we must not have been margining you must not have been margining they must not have been margining

Interrogative form

Simple form	V-ing form
must I margin? must you margin? must he margin? must we margin? must you margin? must they margin?	must I be margining? must you be margining? must he be margining? must we be margining? must you be margining? must they be margining?
Perfect	V-ing perfect
must I have margined? must you have margined? must he have margined? must we have margined? must you have margined? must they have margined?	must I have been margining? must you have been margining? must he have been margining? must we have been margining? must you have been margining? must they have been margining?

Interro-negative form

Simple form	V-ing form
must I not margin? must you not margin? must he not margin? must we not margin? must you not margin? must they not margin?	must I not be margining? must you not be margining? must he not be margining? must we not be margining? must you not be margining? must they not be margining?
Perfect	V-ing perfect
must I not have margined? must you not have margined? must he not have margined? must we not have margined? must you not have margined? must they not have margined?	must I not have been margining? must you not have been margining? must he not have been margining? must we not have been margining? must you not have been margining? must they not have been margining?