should hem
Regular verb: hem - hemmed- hemmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd hem
you'd hem
he'd hem
we'd hem
you'd hem
they'd hem 	I'd be hemming
you'd be hemming
he'd be hemming
we'd be hemming
you'd be hemming
they'd be hemming	I should've hemmed
you should've hemmed
he should've hemmed
we should've hemmed
you should've hemmed
they should've hemmed	I should've been hemming
you should've been hemming
he should've been hemming
we should've been hemming
you should've been hemming
they should've been hemming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't hem
you shouldn't hem
he shouldn't hem
we shouldn't hem
you shouldn't hem
they shouldn't hem 	I shouldn't be hemming
you shouldn't be hemming
he shouldn't be hemming
we shouldn't be hemming
you shouldn't be hemming
they shouldn't be hemming	I shouldn't have hemmed
you shouldn't have hemmed
he shouldn't have hemmed
we shouldn't have hemmed
you shouldn't have hemmed
they shouldn't have hemmed	I shouldn't have been hemming
you shouldn't have been hemming
he shouldn't have been hemming
we shouldn't have been hemming
you shouldn't have been hemming
they shouldn't have been hemming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I hem?
should you hem?
should he hem?
should we hem?
should you hem?
should they hem? 	should I be hemming?
should you be hemming?
should he be hemming?
should we be hemming?
should you be hemming?
should they be hemming? 	should I have hemmed?
should you have hemmed?
should he have hemmed?
should we have hemmed?
should you have hemmed?
should they have hemmed? 	should I have been hemming?
should you have been hemming?
should he have been hemming?
should we have been hemming?
should you have been hemming?
should they have been hemming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I hem?
shouldn't you hem?
shouldn't he hem?
shouldn't we hem?
shouldn't you hem?
shouldn't they hem? 	shouldn't I be hemming?
shouldn't you be hemming?
shouldn't he be hemming?
shouldn't we be hemming?
shouldn't you be hemming?
shouldn't they be hemming? 	shouldn't I have hemmed?
shouldn't you have hemmed?
shouldn't he have hemmed?
shouldn't we have hemmed?
shouldn't you have hemmed?
shouldn't they have hemmed? 	shouldn't I have been hemming?
shouldn't you have been hemming?
shouldn't he have been hemming?
shouldn't we have been hemming?
shouldn't you have been hemming?
shouldn't they have been hemming?