should shriek
Regular verb: shriek - shrieked- shrieked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should shriek
you should shriek
he should shriek
we should shriek
you should shriek
they should shriek 	I should be shrieking
you should be shrieking
he should be shrieking
we should be shrieking
you should be shrieking
they should be shrieking	I should have shrieked
you should have shrieked
he should have shrieked
we should have shrieked
you should have shrieked
they should have shrieked	I should have been shrieking
you should have been shrieking
he should have been shrieking
we should have been shrieking
you should have been shrieking
they should have been shrieking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not shriek
you should not shriek
he should not shriek
we should not shriek
you should not shriek
they should not shriek 	I should not be shrieking
you should not be shrieking
he should not be shrieking
we should not be shrieking
you should not be shrieking
they should not be shrieking	I should not have shrieked
you should not have shrieked
he should not have shrieked
we should not have shrieked
you should not have shrieked
they should not have shrieked	I should not have been shrieking
you should not have been shrieking
he should not have been shrieking
we should not have been shrieking
you should not have been shrieking
they should not have been shrieking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I shriek?
should you shriek?
should he shriek?
should we shriek?
should you shriek?
should they shriek? 	should I be shrieking?
should you be shrieking?
should he be shrieking?
should we be shrieking?
should you be shrieking?
should they be shrieking? 	should I have shrieked?
should you have shrieked?
should he have shrieked?
should we have shrieked?
should you have shrieked?
should they have shrieked? 	should I have been shrieking?
should you have been shrieking?
should he have been shrieking?
should we have been shrieking?
should you have been shrieking?
should they have been shrieking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not shriek?
should you not shriek?
should he not shriek?
should we not shriek?
should you not shriek?
should they not shriek? 	should I not be shrieking?
should you not be shrieking?
should he not be shrieking?
should we not be shrieking?
should you not be shrieking?
should they not be shrieking? 	should I not have shrieked?
should you not have shrieked?
should he not have shrieked?
should we not have shrieked?
should you not have shrieked?
should they not have shrieked? 	should I not have been shrieking?
should you not have been shrieking?
should he not have been shrieking?
should we not have been shrieking?
should you not have been shrieking?
should they not have been shrieking?