should paper
Regular verb: paper - papered- papered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd paper
you'd paper
he'd paper
we'd paper
you'd paper
they'd paper 	I'd be papering
you'd be papering
he'd be papering
we'd be papering
you'd be papering
they'd be papering	I should've papered
you should've papered
he should've papered
we should've papered
you should've papered
they should've papered	I should've been papering
you should've been papering
he should've been papering
we should've been papering
you should've been papering
they should've been papering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't paper
you shouldn't paper
he shouldn't paper
we shouldn't paper
you shouldn't paper
they shouldn't paper 	I shouldn't be papering
you shouldn't be papering
he shouldn't be papering
we shouldn't be papering
you shouldn't be papering
they shouldn't be papering	I shouldn't have papered
you shouldn't have papered
he shouldn't have papered
we shouldn't have papered
you shouldn't have papered
they shouldn't have papered	I shouldn't have been papering
you shouldn't have been papering
he shouldn't have been papering
we shouldn't have been papering
you shouldn't have been papering
they shouldn't have been papering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I paper?
should you paper?
should he paper?
should we paper?
should you paper?
should they paper? 	should I be papering?
should you be papering?
should he be papering?
should we be papering?
should you be papering?
should they be papering? 	should I have papered?
should you have papered?
should he have papered?
should we have papered?
should you have papered?
should they have papered? 	should I have been papering?
should you have been papering?
should he have been papering?
should we have been papering?
should you have been papering?
should they have been papering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I paper?
shouldn't you paper?
shouldn't he paper?
shouldn't we paper?
shouldn't you paper?
shouldn't they paper? 	shouldn't I be papering?
shouldn't you be papering?
shouldn't he be papering?
shouldn't we be papering?
shouldn't you be papering?
shouldn't they be papering? 	shouldn't I have papered?
shouldn't you have papered?
shouldn't he have papered?
shouldn't we have papered?
shouldn't you have papered?
shouldn't they have papered? 	shouldn't I have been papering?
shouldn't you have been papering?
shouldn't he have been papering?
shouldn't we have been papering?
shouldn't you have been papering?
shouldn't they have been papering?