English verb conjugation
MUST SUBCATEGORIZE

Regular verb: subcategorize - subcategorized - subcategorized

Affirmation

Simple form	V-ing form
I must subcategorize you must subcategorize she must subcategorize we must subcategorize you must subcategorize they must subcategorize	I must be subcategorizing you must be subcategorizing she must be subcategorizing we must be subcategorizing you must be subcategorizing they must be subcategorizing
Perfect	V-ing perfect
I must have subcategorized you must have subcategorized she must have subcategorized we must have subcategorized you must have subcategorized they must have subcategorized	I must have been subcategorizing you must have been subcategorizing she must have been subcategorizing we must have been subcategorizing you must have been subcategorizing they must have been subcategorizing

Negation

Simple form	V-ing form
I mustn't subcategorize you mustn't subcategorize she mustn't subcategorize we mustn't subcategorize you mustn't subcategorize they mustn't subcategorize	I mustn't be subcategorizing you mustn't be subcategorizing she mustn't be subcategorizing we mustn't be subcategorizing you mustn't be subcategorizing they mustn't be subcategorizing
Perfect	V-ing perfect
I mustn't have subcategorized you mustn't have subcategorized she mustn't have subcategorized we mustn't have subcategorized you mustn't have subcategorized they mustn't have subcategorized	I mustn't have been subcategorizing you mustn't have been subcategorizing she mustn't have been subcategorizing we mustn't have been subcategorizing you mustn't have been subcategorizing they mustn't have been subcategorizing

Interrogative form

Simple form	V-ing form
must I subcategorize? must you subcategorize? must she subcategorize? must we subcategorize? must you subcategorize? must they subcategorize?	must I be subcategorizing? must you be subcategorizing? must she be subcategorizing? must we be subcategorizing? must you be subcategorizing? must they be subcategorizing?
Perfect	V-ing perfect
must I have subcategorized? must you have subcategorized? must she have subcategorized? must we have subcategorized? must you have subcategorized? must they have subcategorized?	must I have been subcategorizing? must you have been subcategorizing? must she have been subcategorizing? must we have been subcategorizing? must you have been subcategorizing? must they have been subcategorizing?

Interro-negative form

Simple form	V-ing form
mustn't I subcategorize? mustn't you subcategorize? mustn't she subcategorize? mustn't we subcategorize? mustn't you subcategorize? mustn't they subcategorize?	mustn't I be subcategorizing? mustn't you be subcategorizing? mustn't she be subcategorizing? mustn't we be subcategorizing? mustn't you be subcategorizing? mustn't they be subcategorizing?
Perfect	V-ing perfect
mustn't I have subcategorized? mustn't you have subcategorized? mustn't she have subcategorized? mustn't we have subcategorized? mustn't you have subcategorized? mustn't they have subcategorized?	mustn't I have been subcategorizing? mustn't you have been subcategorizing? mustn't she have been subcategorizing? mustn't we have been subcategorizing? mustn't you have been subcategorizing? mustn't they have been subcategorizing?