English verb conjugation
MUST VIZOR

Regular verb: vizor - vizored - vizored

Affirmation

Simple form	V-ing form
I must vizor you must vizor he must vizor we must vizor you must vizor they must vizor	I must be vizoring you must be vizoring he must be vizoring we must be vizoring you must be vizoring they must be vizoring
Perfect	V-ing perfect
I must have vizored you must have vizored he must have vizored we must have vizored you must have vizored they must have vizored	I must have been vizoring you must have been vizoring he must have been vizoring we must have been vizoring you must have been vizoring they must have been vizoring

Negation

Simple form	V-ing form
I must not vizor you must not vizor he must not vizor we must not vizor you must not vizor they must not vizor	I must not be vizoring you must not be vizoring he must not be vizoring we must not be vizoring you must not be vizoring they must not be vizoring
Perfect	V-ing perfect
I must not have vizored you must not have vizored he must not have vizored we must not have vizored you must not have vizored they must not have vizored	I must not have been vizoring you must not have been vizoring he must not have been vizoring we must not have been vizoring you must not have been vizoring they must not have been vizoring

Interrogative form

Simple form	V-ing form
must I vizor? must you vizor? must he vizor? must we vizor? must you vizor? must they vizor?	must I be vizoring? must you be vizoring? must he be vizoring? must we be vizoring? must you be vizoring? must they be vizoring?
Perfect	V-ing perfect
must I have vizored? must you have vizored? must he have vizored? must we have vizored? must you have vizored? must they have vizored?	must I have been vizoring? must you have been vizoring? must he have been vizoring? must we have been vizoring? must you have been vizoring? must they have been vizoring?

Interro-negative form

Simple form	V-ing form
must I not vizor? must you not vizor? must he not vizor? must we not vizor? must you not vizor? must they not vizor?	must I not be vizoring? must you not be vizoring? must he not be vizoring? must we not be vizoring? must you not be vizoring? must they not be vizoring?
Perfect	V-ing perfect
must I not have vizored? must you not have vizored? must he not have vizored? must we not have vizored? must you not have vizored? must they not have vizored?	must I not have been vizoring? must you not have been vizoring? must he not have been vizoring? must we not have been vizoring? must you not have been vizoring? must they not have been vizoring?