English verb conjugation
MUST UM

Regular verb: um - umed - umed

Affirmation

Simple form	V-ing form
I must um you must um he must um we must um you must um they must um	I must be uming you must be uming he must be uming we must be uming you must be uming they must be uming
Perfect	V-ing perfect
I must have umed you must have umed he must have umed we must have umed you must have umed they must have umed	I must have been uming you must have been uming he must have been uming we must have been uming you must have been uming they must have been uming

Negation

Simple form	V-ing form
I must not um you must not um he must not um we must not um you must not um they must not um	I must not be uming you must not be uming he must not be uming we must not be uming you must not be uming they must not be uming
Perfect	V-ing perfect
I must not have umed you must not have umed he must not have umed we must not have umed you must not have umed they must not have umed	I must not have been uming you must not have been uming he must not have been uming we must not have been uming you must not have been uming they must not have been uming

Interrogative form

Simple form	V-ing form
must I um? must you um? must he um? must we um? must you um? must they um?	must I be uming? must you be uming? must he be uming? must we be uming? must you be uming? must they be uming?
Perfect	V-ing perfect
must I have umed? must you have umed? must he have umed? must we have umed? must you have umed? must they have umed?	must I have been uming? must you have been uming? must he have been uming? must we have been uming? must you have been uming? must they have been uming?

Interro-negative form

Simple form	V-ing form
must I not um? must you not um? must he not um? must we not um? must you not um? must they not um?	must I not be uming? must you not be uming? must he not be uming? must we not be uming? must you not be uming? must they not be uming?
Perfect	V-ing perfect
must I not have umed? must you not have umed? must he not have umed? must we not have umed? must you not have umed? must they not have umed?	must I not have been uming? must you not have been uming? must he not have been uming? must we not have been uming? must you not have been uming? must they not have been uming?