should frill
Regular verb: frill - frilled- frilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd frill
you'd frill
he'd frill
we'd frill
you'd frill
they'd frill 	I'd be frilling
you'd be frilling
he'd be frilling
we'd be frilling
you'd be frilling
they'd be frilling	I should've frilled
you should've frilled
he should've frilled
we should've frilled
you should've frilled
they should've frilled	I should've been frilling
you should've been frilling
he should've been frilling
we should've been frilling
you should've been frilling
they should've been frilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't frill
you shouldn't frill
he shouldn't frill
we shouldn't frill
you shouldn't frill
they shouldn't frill 	I shouldn't be frilling
you shouldn't be frilling
he shouldn't be frilling
we shouldn't be frilling
you shouldn't be frilling
they shouldn't be frilling	I shouldn't have frilled
you shouldn't have frilled
he shouldn't have frilled
we shouldn't have frilled
you shouldn't have frilled
they shouldn't have frilled	I shouldn't have been frilling
you shouldn't have been frilling
he shouldn't have been frilling
we shouldn't have been frilling
you shouldn't have been frilling
they shouldn't have been frilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I frill?
should you frill?
should he frill?
should we frill?
should you frill?
should they frill? 	should I be frilling?
should you be frilling?
should he be frilling?
should we be frilling?
should you be frilling?
should they be frilling? 	should I have frilled?
should you have frilled?
should he have frilled?
should we have frilled?
should you have frilled?
should they have frilled? 	should I have been frilling?
should you have been frilling?
should he have been frilling?
should we have been frilling?
should you have been frilling?
should they have been frilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I frill?
shouldn't you frill?
shouldn't he frill?
shouldn't we frill?
shouldn't you frill?
shouldn't they frill? 	shouldn't I be frilling?
shouldn't you be frilling?
shouldn't he be frilling?
shouldn't we be frilling?
shouldn't you be frilling?
shouldn't they be frilling? 	shouldn't I have frilled?
shouldn't you have frilled?
shouldn't he have frilled?
shouldn't we have frilled?
shouldn't you have frilled?
shouldn't they have frilled? 	shouldn't I have been frilling?
shouldn't you have been frilling?
shouldn't he have been frilling?
shouldn't we have been frilling?
shouldn't you have been frilling?
shouldn't they have been frilling?