should vat
Regular verb: vat - vatted- vatted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd vat
you'd vat
he'd vat
we'd vat
you'd vat
they'd vat 	I'd be vatting
you'd be vatting
he'd be vatting
we'd be vatting
you'd be vatting
they'd be vatting	I should've vatted
you should've vatted
he should've vatted
we should've vatted
you should've vatted
they should've vatted	I should've been vatting
you should've been vatting
he should've been vatting
we should've been vatting
you should've been vatting
they should've been vatting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't vat
you shouldn't vat
he shouldn't vat
we shouldn't vat
you shouldn't vat
they shouldn't vat 	I shouldn't be vatting
you shouldn't be vatting
he shouldn't be vatting
we shouldn't be vatting
you shouldn't be vatting
they shouldn't be vatting	I shouldn't have vatted
you shouldn't have vatted
he shouldn't have vatted
we shouldn't have vatted
you shouldn't have vatted
they shouldn't have vatted	I shouldn't have been vatting
you shouldn't have been vatting
he shouldn't have been vatting
we shouldn't have been vatting
you shouldn't have been vatting
they shouldn't have been vatting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I vat?
should you vat?
should he vat?
should we vat?
should you vat?
should they vat? 	should I be vatting?
should you be vatting?
should he be vatting?
should we be vatting?
should you be vatting?
should they be vatting? 	should I have vatted?
should you have vatted?
should he have vatted?
should we have vatted?
should you have vatted?
should they have vatted? 	should I have been vatting?
should you have been vatting?
should he have been vatting?
should we have been vatting?
should you have been vatting?
should they have been vatting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I vat?
shouldn't you vat?
shouldn't he vat?
shouldn't we vat?
shouldn't you vat?
shouldn't they vat? 	shouldn't I be vatting?
shouldn't you be vatting?
shouldn't he be vatting?
shouldn't we be vatting?
shouldn't you be vatting?
shouldn't they be vatting? 	shouldn't I have vatted?
shouldn't you have vatted?
shouldn't he have vatted?
shouldn't we have vatted?
shouldn't you have vatted?
shouldn't they have vatted? 	shouldn't I have been vatting?
shouldn't you have been vatting?
shouldn't he have been vatting?
shouldn't we have been vatting?
shouldn't you have been vatting?
shouldn't they have been vatting?