English verb conjugation
MUST VETO

Regular verb: veto - vetoed - vetoed

Affirmation

Simple form	V-ing form
I must veto you must veto she must veto we must veto you must veto they must veto	I must be vetoing you must be vetoing she must be vetoing we must be vetoing you must be vetoing they must be vetoing
Perfect	V-ing perfect
I must have vetoed you must have vetoed she must have vetoed we must have vetoed you must have vetoed they must have vetoed	I must have been vetoing you must have been vetoing she must have been vetoing we must have been vetoing you must have been vetoing they must have been vetoing

Negation

Simple form	V-ing form
I mustn't veto you mustn't veto she mustn't veto we mustn't veto you mustn't veto they mustn't veto	I mustn't be vetoing you mustn't be vetoing she mustn't be vetoing we mustn't be vetoing you mustn't be vetoing they mustn't be vetoing
Perfect	V-ing perfect
I mustn't have vetoed you mustn't have vetoed she mustn't have vetoed we mustn't have vetoed you mustn't have vetoed they mustn't have vetoed	I mustn't have been vetoing you mustn't have been vetoing she mustn't have been vetoing we mustn't have been vetoing you mustn't have been vetoing they mustn't have been vetoing

Interrogative form

Simple form	V-ing form
must I veto? must you veto? must she veto? must we veto? must you veto? must they veto?	must I be vetoing? must you be vetoing? must she be vetoing? must we be vetoing? must you be vetoing? must they be vetoing?
Perfect	V-ing perfect
must I have vetoed? must you have vetoed? must she have vetoed? must we have vetoed? must you have vetoed? must they have vetoed?	must I have been vetoing? must you have been vetoing? must she have been vetoing? must we have been vetoing? must you have been vetoing? must they have been vetoing?

Interro-negative form

Simple form	V-ing form
mustn't I veto? mustn't you veto? mustn't she veto? mustn't we veto? mustn't you veto? mustn't they veto?	mustn't I be vetoing? mustn't you be vetoing? mustn't she be vetoing? mustn't we be vetoing? mustn't you be vetoing? mustn't they be vetoing?
Perfect	V-ing perfect
mustn't I have vetoed? mustn't you have vetoed? mustn't she have vetoed? mustn't we have vetoed? mustn't you have vetoed? mustn't they have vetoed?	mustn't I have been vetoing? mustn't you have been vetoing? mustn't she have been vetoing? mustn't we have been vetoing? mustn't you have been vetoing? mustn't they have been vetoing?