should shriek
Regular verb: shriek - shrieked- shrieked

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't shriek
you shouldn't shriek
he shouldn't shriek
we shouldn't shriek
you shouldn't shriek
they shouldn't shriek 	I shouldn't be shrieking
you shouldn't be shrieking
he shouldn't be shrieking
we shouldn't be shrieking
you shouldn't be shrieking
they shouldn't be shrieking	I shouldn't have shrieked
you shouldn't have shrieked
he shouldn't have shrieked
we shouldn't have shrieked
you shouldn't have shrieked
they shouldn't have shrieked	I shouldn't have been shrieking
you shouldn't have been shrieking
he shouldn't have been shrieking
we shouldn't have been shrieking
you shouldn't have been shrieking
they shouldn't 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 	
shouldn't I shriek?
shouldn't you shriek?
shouldn't he shriek?
shouldn't we shriek?
shouldn't you shriek?
shouldn't they shriek? 	shouldn't I be shrieking?
shouldn't you be shrieking?
shouldn't he be shrieking?
shouldn't we be shrieking?
shouldn't you be shrieking?
shouldn't they be shrieking? 	shouldn't I have shrieked?
shouldn't you have shrieked?
shouldn't he have shrieked?
shouldn't we have shrieked?
shouldn't you have shrieked?
shouldn't they have shrieked? 	shouldn't I have been shrieking?
shouldn't you have been shrieking?
shouldn't he have been shrieking?
shouldn't we have been shrieking?
shouldn't you have been shrieking?
shouldn't they have been shrieking?