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