should characterize
Regular verb: characterize - characterized- characterized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd characterize
you'd characterize
he'd characterize
we'd characterize
you'd characterize
they'd characterize 	I'd be characterizing
you'd be characterizing
he'd be characterizing
we'd be characterizing
you'd be characterizing
they'd be characterizing	I should've characterized
you should've characterized
he should've characterized
we should've characterized
you should've characterized
they should've characterized	I should've been characterizing
you should've been characterizing
he should've been characterizing
we should've been characterizing
you should've been characterizing
they should've been characterizing	

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

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

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