English verb conjugation
MUST VIZOR

Regular verb: vizor - vizored - vizored

Affirmation

Simple form	V-ing form
I must vizor you must vizor she must vizor we must vizor you must vizor they must vizor	I must be vizoring you must be vizoring she 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 she 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 she 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 mustn't vizor you mustn't vizor she mustn't vizor we mustn't vizor you mustn't vizor they mustn't vizor	I mustn't be vizoring you mustn't be vizoring she mustn't be vizoring we mustn't be vizoring you mustn't be vizoring they mustn't be vizoring
Perfect	V-ing perfect
I mustn't have vizored you mustn't have vizored she mustn't have vizored we mustn't have vizored you mustn't have vizored they mustn't have vizored	I mustn't have been vizoring you mustn't have been vizoring she mustn't have been vizoring we mustn't have been vizoring you mustn't have been vizoring they mustn't have been vizoring

Interrogative form

Simple form	V-ing form
must I vizor? must you vizor? must she vizor? must we vizor? must you vizor? must they vizor?	must I be vizoring? must you be vizoring? must she 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 she 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 she 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
mustn't I vizor? mustn't you vizor? mustn't she vizor? mustn't we vizor? mustn't you vizor? mustn't they vizor?	mustn't I be vizoring? mustn't you be vizoring? mustn't she be vizoring? mustn't we be vizoring? mustn't you be vizoring? mustn't they be vizoring?
Perfect	V-ing perfect
mustn't I have vizored? mustn't you have vizored? mustn't she have vizored? mustn't we have vizored? mustn't you have vizored? mustn't they have vizored?	mustn't I have been vizoring? mustn't you have been vizoring? mustn't she have been vizoring? mustn't we have been vizoring? mustn't you have been vizoring? mustn't they have been vizoring?