English verb conjugation
CAN CATEGORIZE

Regular verb: categorize - categorized - categorized

Affirmation

Simple form	V-ing form
I can categorize you can categorize he can categorize we can categorize you can categorize they can categorize	I can be categorizing you can be categorizing he can be categorizing we can be categorizing you can be categorizing they can be categorizing
Perfect	V-ing perfect
I can have categorized you can have categorized he can have categorized we can have categorized you can have categorized they can have categorized	I can have been categorizing you can have been categorizing he can have been categorizing we can have been categorizing you can have been categorizing they can have been categorizing

Negation

Simple form	V-ing form
I can't categorize you can't categorize he can't categorize we can't categorize you can't categorize they can't categorize	I can't be categorizing you can't be categorizing he can't be categorizing we can't be categorizing you can't be categorizing they can't be categorizing
Perfect	V-ing perfect
I can't have categorized you can't have categorized he can't have categorized we can't have categorized you can't have categorized they can't have categorized	I can't have been categorizing you can't have been categorizing he can't have been categorizing we can't have been categorizing you can't have been categorizing they can't have been categorizing

Interrogative form

Simple form	V-ing form
can I categorize? can you categorize? can he categorize? can we categorize? can you categorize? can they categorize?	can I be categorizing? can you be categorizing? can he be categorizing? can we be categorizing? can you be categorizing? can they be categorizing?
Perfect	V-ing perfect
can I have categorized? can you have categorized? can he have categorized? can we have categorized? can you have categorized? can they have categorized?	can I have been categorizing? can you have been categorizing? can he have been categorizing? can we have been categorizing? can you have been categorizing? can they have been categorizing?

Interro-negative form

Simple form	V-ing form
can't I categorize? can't you categorize? can't he categorize? can't we categorize? can't you categorize? can't they categorize?	can't I be categorizing? can't you be categorizing? can't he be categorizing? can't we be categorizing? can't you be categorizing? can't they be categorizing?
Perfect	V-ing perfect
can't I have categorized? can't you have categorized? can't he have categorized? can't we have categorized? can't you have categorized? can't they have categorized?	can't I have been categorizing? can't you have been categorizing? can't he have been categorizing? can't we have been categorizing? can't you have been categorizing? can't they have been categorizing?