should frill
Regular verb: frill - frilled- frilled

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not frill
you should not frill
he should not frill
we should not frill
you should not frill
they should not frill 	I should not be frilling
you should not be frilling
he should not be frilling
we should not be frilling
you should not be frilling
they should not be frilling	I should not have frilled
you should not have frilled
he should not have frilled
we should not have frilled
you should not have frilled
they should not have frilled	I should not have been frilling
you should not have been frilling
he should not have been frilling
we should not have been frilling
you should not have been frilling
they should not 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 	
should I not frill?
should you not frill?
should he not frill?
should we not frill?
should you not frill?
should they not frill? 	should I not be frilling?
should you not be frilling?
should he not be frilling?
should we not be frilling?
should you not be frilling?
should they not be frilling? 	should I not have frilled?
should you not have frilled?
should he not have frilled?
should we not have frilled?
should you not have frilled?
should they not have frilled? 	should I not have been frilling?
should you not have been frilling?
should he not have been frilling?
should we not have been frilling?
should you not have been frilling?
should they not have been frilling?