English verb conjugation
MUST VITIATE

Regular verb: vitiate - vitiated - vitiated

Affirmation

Simple form	V-ing form
I must vitiate you must vitiate he must vitiate we must vitiate you must vitiate they must vitiate	I must be vitiating you must be vitiating he must be vitiating we must be vitiating you must be vitiating they must be vitiating
Perfect	V-ing perfect
I must have vitiated you must have vitiated he must have vitiated we must have vitiated you must have vitiated they must have vitiated	I must have been vitiating you must have been vitiating he must have been vitiating we must have been vitiating you must have been vitiating they must have been vitiating

Negation

Simple form	V-ing form
I must not vitiate you must not vitiate he must not vitiate we must not vitiate you must not vitiate they must not vitiate	I must not be vitiating you must not be vitiating he must not be vitiating we must not be vitiating you must not be vitiating they must not be vitiating
Perfect	V-ing perfect
I must not have vitiated you must not have vitiated he must not have vitiated we must not have vitiated you must not have vitiated they must not have vitiated	I must not have been vitiating you must not have been vitiating he must not have been vitiating we must not have been vitiating you must not have been vitiating they must not have been vitiating

Interrogative form

Simple form	V-ing form
must I vitiate? must you vitiate? must he vitiate? must we vitiate? must you vitiate? must they vitiate?	must I be vitiating? must you be vitiating? must he be vitiating? must we be vitiating? must you be vitiating? must they be vitiating?
Perfect	V-ing perfect
must I have vitiated? must you have vitiated? must he have vitiated? must we have vitiated? must you have vitiated? must they have vitiated?	must I have been vitiating? must you have been vitiating? must he have been vitiating? must we have been vitiating? must you have been vitiating? must they have been vitiating?

Interro-negative form

Simple form	V-ing form
must I not vitiate? must you not vitiate? must he not vitiate? must we not vitiate? must you not vitiate? must they not vitiate?	must I not be vitiating? must you not be vitiating? must he not be vitiating? must we not be vitiating? must you not be vitiating? must they not be vitiating?
Perfect	V-ing perfect
must I not have vitiated? must you not have vitiated? must he not have vitiated? must we not have vitiated? must you not have vitiated? must they not have vitiated?	must I not have been vitiating? must you not have been vitiating? must he not have been vitiating? must we not have been vitiating? must you not have been vitiating? must they not have been vitiating?