English verb conjugation
CAN CHARACTERIZE

Regular verb: characterize - characterized - characterized

Affirmation

Simple form	V-ing form
I can characterize you can characterize he can characterize we can characterize you can characterize they can characterize	I can be characterizing you can be characterizing he can be characterizing we can be characterizing you can be characterizing they can be characterizing
Perfect	V-ing perfect
I can have characterized you can have characterized he can have characterized we can have characterized you can have characterized they can have characterized	I can have been characterizing you can have been characterizing he can have been characterizing we can have been characterizing you can have been characterizing they can have been characterizing

Negation

Simple form	V-ing form
I cannot characterize you cannot characterize he cannot characterize we cannot characterize you cannot characterize they cannot characterize	I cannot be characterizing you cannot be characterizing he cannot be characterizing we cannot be characterizing you cannot be characterizing they cannot be characterizing
Perfect	V-ing perfect
I cannot have characterized you cannot have characterized he cannot have characterized we cannot have characterized you cannot have characterized they cannot have characterized	I cannot have been characterizing you cannot have been characterizing he cannot have been characterizing we cannot have been characterizing you cannot have been characterizing they cannot have been characterizing

Interrogative form

Simple form	V-ing form
can I characterize? can you characterize? can he characterize? can we characterize? can you characterize? can they characterize?	can I be characterizing? can you be characterizing? can he be characterizing? can we be characterizing? can you be characterizing? can they be characterizing?
Perfect	V-ing perfect
can I have characterized? can you have characterized? can he have characterized? can we have characterized? can you have characterized? can they have characterized?	can I have been characterizing? can you have been characterizing? can he have been characterizing? can we have been characterizing? can you have been characterizing? can they have been characterizing?

Interro-negative form

Simple form	V-ing form
can I not characterize? can you not characterize? can he not characterize? can we not characterize? can you not characterize? can they not characterize?	can I not be characterizing? can you not be characterizing? can he not be characterizing? can we not be characterizing? can you not be characterizing? can they not be characterizing?
Perfect	V-ing perfect
can I not have characterized? can you not have characterized? can he not have characterized? can we not have characterized? can you not have characterized? can they not have characterized?	can I not have been characterizing? can you not have been characterizing? can he not have been characterizing? can we not have been characterizing? can you not have been characterizing? can they not have been characterizing?