English verb conjugation
CAN SUBCATEGORIZE

Regular verb: subcategorize - subcategorized - subcategorized

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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