should perpetuate
Regular verb: perpetuate - perpetuated- perpetuated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd perpetuate
you'd perpetuate
he'd perpetuate
we'd perpetuate
you'd perpetuate
they'd perpetuate 	I'd be perpetuating
you'd be perpetuating
he'd be perpetuating
we'd be perpetuating
you'd be perpetuating
they'd be perpetuating	I should've perpetuated
you should've perpetuated
he should've perpetuated
we should've perpetuated
you should've perpetuated
they should've perpetuated	I should've been perpetuating
you should've been perpetuating
he should've been perpetuating
we should've been perpetuating
you should've been perpetuating
they should've been perpetuating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't perpetuate
you shouldn't perpetuate
he shouldn't perpetuate
we shouldn't perpetuate
you shouldn't perpetuate
they shouldn't perpetuate 	I shouldn't be perpetuating
you shouldn't be perpetuating
he shouldn't be perpetuating
we shouldn't be perpetuating
you shouldn't be perpetuating
they shouldn't be perpetuating	I shouldn't have perpetuated
you shouldn't have perpetuated
he shouldn't have perpetuated
we shouldn't have perpetuated
you shouldn't have perpetuated
they shouldn't have perpetuated	I shouldn't have been perpetuating
you shouldn't have been perpetuating
he shouldn't have been perpetuating
we shouldn't have been perpetuating
you shouldn't have been perpetuating
they shouldn't have been perpetuating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I perpetuate?
should you perpetuate?
should he perpetuate?
should we perpetuate?
should you perpetuate?
should they perpetuate? 	should I be perpetuating?
should you be perpetuating?
should he be perpetuating?
should we be perpetuating?
should you be perpetuating?
should they be perpetuating? 	should I have perpetuated?
should you have perpetuated?
should he have perpetuated?
should we have perpetuated?
should you have perpetuated?
should they have perpetuated? 	should I have been perpetuating?
should you have been perpetuating?
should he have been perpetuating?
should we have been perpetuating?
should you have been perpetuating?
should they have been perpetuating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I perpetuate?
shouldn't you perpetuate?
shouldn't he perpetuate?
shouldn't we perpetuate?
shouldn't you perpetuate?
shouldn't they perpetuate? 	shouldn't I be perpetuating?
shouldn't you be perpetuating?
shouldn't he be perpetuating?
shouldn't we be perpetuating?
shouldn't you be perpetuating?
shouldn't they be perpetuating? 	shouldn't I have perpetuated?
shouldn't you have perpetuated?
shouldn't he have perpetuated?
shouldn't we have perpetuated?
shouldn't you have perpetuated?
shouldn't they have perpetuated? 	shouldn't I have been perpetuating?
shouldn't you have been perpetuating?
shouldn't he have been perpetuating?
shouldn't we have been perpetuating?
shouldn't you have been perpetuating?
shouldn't they have been perpetuating?