should shrill
Regular verb: shrill - shrilled- shrilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should shrill
you should shrill
he should shrill
we should shrill
you should shrill
they should shrill 	I should be shrilling
you should be shrilling
he should be shrilling
we should be shrilling
you should be shrilling
they should be shrilling	I should have shrilled
you should have shrilled
he should have shrilled
we should have shrilled
you should have shrilled
they should have shrilled	I should have been shrilling
you should have been shrilling
he should have been shrilling
we should have been shrilling
you should have been shrilling
they should have been shrilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not shrill
you should not shrill
he should not shrill
we should not shrill
you should not shrill
they should not shrill 	I should not be shrilling
you should not be shrilling
he should not be shrilling
we should not be shrilling
you should not be shrilling
they should not be shrilling	I should not have shrilled
you should not have shrilled
he should not have shrilled
we should not have shrilled
you should not have shrilled
they should not have shrilled	I should not have been shrilling
you should not have been shrilling
he should not have been shrilling
we should not have been shrilling
you should not have been shrilling
they should not have been shrilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I shrill?
should you shrill?
should he shrill?
should we shrill?
should you shrill?
should they shrill? 	should I be shrilling?
should you be shrilling?
should he be shrilling?
should we be shrilling?
should you be shrilling?
should they be shrilling? 	should I have shrilled?
should you have shrilled?
should he have shrilled?
should we have shrilled?
should you have shrilled?
should they have shrilled? 	should I have been shrilling?
should you have been shrilling?
should he have been shrilling?
should we have been shrilling?
should you have been shrilling?
should they have been shrilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not shrill?
should you not shrill?
should he not shrill?
should we not shrill?
should you not shrill?
should they not shrill? 	should I not be shrilling?
should you not be shrilling?
should he not be shrilling?
should we not be shrilling?
should you not be shrilling?
should they not be shrilling? 	should I not have shrilled?
should you not have shrilled?
should he not have shrilled?
should we not have shrilled?
should you not have shrilled?
should they not have shrilled? 	should I not have been shrilling?
should you not have been shrilling?
should he not have been shrilling?
should we not have been shrilling?
should you not have been shrilling?
should they not have been shrilling?