should perpetrate
Regular verb: perpetrate - perpetrated- perpetrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd perpetrate
you'd perpetrate
he'd perpetrate
we'd perpetrate
you'd perpetrate
they'd perpetrate 	I'd be perpetrating
you'd be perpetrating
he'd be perpetrating
we'd be perpetrating
you'd be perpetrating
they'd be perpetrating	I should've perpetrated
you should've perpetrated
he should've perpetrated
we should've perpetrated
you should've perpetrated
they should've perpetrated	I should've been perpetrating
you should've been perpetrating
he should've been perpetrating
we should've been perpetrating
you should've been perpetrating
they should've been perpetrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't perpetrate
you shouldn't perpetrate
he shouldn't perpetrate
we shouldn't perpetrate
you shouldn't perpetrate
they shouldn't perpetrate 	I shouldn't be perpetrating
you shouldn't be perpetrating
he shouldn't be perpetrating
we shouldn't be perpetrating
you shouldn't be perpetrating
they shouldn't be perpetrating	I shouldn't have perpetrated
you shouldn't have perpetrated
he shouldn't have perpetrated
we shouldn't have perpetrated
you shouldn't have perpetrated
they shouldn't have perpetrated	I shouldn't have been perpetrating
you shouldn't have been perpetrating
he shouldn't have been perpetrating
we shouldn't have been perpetrating
you shouldn't have been perpetrating
they shouldn't have been perpetrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I perpetrate?
should you perpetrate?
should he perpetrate?
should we perpetrate?
should you perpetrate?
should they perpetrate? 	should I be perpetrating?
should you be perpetrating?
should he be perpetrating?
should we be perpetrating?
should you be perpetrating?
should they be perpetrating? 	should I have perpetrated?
should you have perpetrated?
should he have perpetrated?
should we have perpetrated?
should you have perpetrated?
should they have perpetrated? 	should I have been perpetrating?
should you have been perpetrating?
should he have been perpetrating?
should we have been perpetrating?
should you have been perpetrating?
should they have been perpetrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I perpetrate?
shouldn't you perpetrate?
shouldn't he perpetrate?
shouldn't we perpetrate?
shouldn't you perpetrate?
shouldn't they perpetrate? 	shouldn't I be perpetrating?
shouldn't you be perpetrating?
shouldn't he be perpetrating?
shouldn't we be perpetrating?
shouldn't you be perpetrating?
shouldn't they be perpetrating? 	shouldn't I have perpetrated?
shouldn't you have perpetrated?
shouldn't he have perpetrated?
shouldn't we have perpetrated?
shouldn't you have perpetrated?
shouldn't they have perpetrated? 	shouldn't I have been perpetrating?
shouldn't you have been perpetrating?
shouldn't he have been perpetrating?
shouldn't we have been perpetrating?
shouldn't you have been perpetrating?
shouldn't they have been perpetrating?