should scarf
Regular verb: scarf - scarfed- scarfed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd scarf
you'd scarf
he'd scarf
we'd scarf
you'd scarf
they'd scarf 	I'd be scarfing
you'd be scarfing
he'd be scarfing
we'd be scarfing
you'd be scarfing
they'd be scarfing	I should've scarfed
you should've scarfed
he should've scarfed
we should've scarfed
you should've scarfed
they should've scarfed	I should've been scarfing
you should've been scarfing
he should've been scarfing
we should've been scarfing
you should've been scarfing
they should've been scarfing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't scarf
you shouldn't scarf
he shouldn't scarf
we shouldn't scarf
you shouldn't scarf
they shouldn't scarf 	I shouldn't be scarfing
you shouldn't be scarfing
he shouldn't be scarfing
we shouldn't be scarfing
you shouldn't be scarfing
they shouldn't be scarfing	I shouldn't have scarfed
you shouldn't have scarfed
he shouldn't have scarfed
we shouldn't have scarfed
you shouldn't have scarfed
they shouldn't have scarfed	I shouldn't have been scarfing
you shouldn't have been scarfing
he shouldn't have been scarfing
we shouldn't have been scarfing
you shouldn't have been scarfing
they shouldn't have been scarfing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I scarf?
should you scarf?
should he scarf?
should we scarf?
should you scarf?
should they scarf? 	should I be scarfing?
should you be scarfing?
should he be scarfing?
should we be scarfing?
should you be scarfing?
should they be scarfing? 	should I have scarfed?
should you have scarfed?
should he have scarfed?
should we have scarfed?
should you have scarfed?
should they have scarfed? 	should I have been scarfing?
should you have been scarfing?
should he have been scarfing?
should we have been scarfing?
should you have been scarfing?
should they have been scarfing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I scarf?
shouldn't you scarf?
shouldn't he scarf?
shouldn't we scarf?
shouldn't you scarf?
shouldn't they scarf? 	shouldn't I be scarfing?
shouldn't you be scarfing?
shouldn't he be scarfing?
shouldn't we be scarfing?
shouldn't you be scarfing?
shouldn't they be scarfing? 	shouldn't I have scarfed?
shouldn't you have scarfed?
shouldn't he have scarfed?
shouldn't we have scarfed?
shouldn't you have scarfed?
shouldn't they have scarfed? 	shouldn't I have been scarfing?
shouldn't you have been scarfing?
shouldn't he have been scarfing?
shouldn't we have been scarfing?
shouldn't you have been scarfing?
shouldn't they have been scarfing?