should hyphen
Regular verb: hyphen - hyphened- hyphened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd hyphen
you'd hyphen
he'd hyphen
we'd hyphen
you'd hyphen
they'd hyphen 	I'd be hyphening
you'd be hyphening
he'd be hyphening
we'd be hyphening
you'd be hyphening
they'd be hyphening	I should've hyphened
you should've hyphened
he should've hyphened
we should've hyphened
you should've hyphened
they should've hyphened	I should've been hyphening
you should've been hyphening
he should've been hyphening
we should've been hyphening
you should've been hyphening
they should've been hyphening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't hyphen
you shouldn't hyphen
he shouldn't hyphen
we shouldn't hyphen
you shouldn't hyphen
they shouldn't hyphen 	I shouldn't be hyphening
you shouldn't be hyphening
he shouldn't be hyphening
we shouldn't be hyphening
you shouldn't be hyphening
they shouldn't be hyphening	I shouldn't have hyphened
you shouldn't have hyphened
he shouldn't have hyphened
we shouldn't have hyphened
you shouldn't have hyphened
they shouldn't have hyphened	I shouldn't have been hyphening
you shouldn't have been hyphening
he shouldn't have been hyphening
we shouldn't have been hyphening
you shouldn't have been hyphening
they shouldn't have been hyphening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I hyphen?
should you hyphen?
should he hyphen?
should we hyphen?
should you hyphen?
should they hyphen? 	should I be hyphening?
should you be hyphening?
should he be hyphening?
should we be hyphening?
should you be hyphening?
should they be hyphening? 	should I have hyphened?
should you have hyphened?
should he have hyphened?
should we have hyphened?
should you have hyphened?
should they have hyphened? 	should I have been hyphening?
should you have been hyphening?
should he have been hyphening?
should we have been hyphening?
should you have been hyphening?
should they have been hyphening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I hyphen?
shouldn't you hyphen?
shouldn't he hyphen?
shouldn't we hyphen?
shouldn't you hyphen?
shouldn't they hyphen? 	shouldn't I be hyphening?
shouldn't you be hyphening?
shouldn't he be hyphening?
shouldn't we be hyphening?
shouldn't you be hyphening?
shouldn't they be hyphening? 	shouldn't I have hyphened?
shouldn't you have hyphened?
shouldn't he have hyphened?
shouldn't we have hyphened?
shouldn't you have hyphened?
shouldn't they have hyphened? 	shouldn't I have been hyphening?
shouldn't you have been hyphening?
shouldn't he have been hyphening?
shouldn't we have been hyphening?
shouldn't you have been hyphening?
shouldn't they have been hyphening?