should tat
Regular verb: tat - tatted- tatted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd tat
you'd tat
he'd tat
we'd tat
you'd tat
they'd tat 	I'd be tatting
you'd be tatting
he'd be tatting
we'd be tatting
you'd be tatting
they'd be tatting	I should've tatted
you should've tatted
he should've tatted
we should've tatted
you should've tatted
they should've tatted	I should've been tatting
you should've been tatting
he should've been tatting
we should've been tatting
you should've been tatting
they should've been tatting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't tat
you shouldn't tat
he shouldn't tat
we shouldn't tat
you shouldn't tat
they shouldn't tat 	I shouldn't be tatting
you shouldn't be tatting
he shouldn't be tatting
we shouldn't be tatting
you shouldn't be tatting
they shouldn't be tatting	I shouldn't have tatted
you shouldn't have tatted
he shouldn't have tatted
we shouldn't have tatted
you shouldn't have tatted
they shouldn't have tatted	I shouldn't have been tatting
you shouldn't have been tatting
he shouldn't have been tatting
we shouldn't have been tatting
you shouldn't have been tatting
they shouldn't have been tatting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I tat?
should you tat?
should he tat?
should we tat?
should you tat?
should they tat? 	should I be tatting?
should you be tatting?
should he be tatting?
should we be tatting?
should you be tatting?
should they be tatting? 	should I have tatted?
should you have tatted?
should he have tatted?
should we have tatted?
should you have tatted?
should they have tatted? 	should I have been tatting?
should you have been tatting?
should he have been tatting?
should we have been tatting?
should you have been tatting?
should they have been tatting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I tat?
shouldn't you tat?
shouldn't he tat?
shouldn't we tat?
shouldn't you tat?
shouldn't they tat? 	shouldn't I be tatting?
shouldn't you be tatting?
shouldn't he be tatting?
shouldn't we be tatting?
shouldn't you be tatting?
shouldn't they be tatting? 	shouldn't I have tatted?
shouldn't you have tatted?
shouldn't he have tatted?
shouldn't we have tatted?
shouldn't you have tatted?
shouldn't they have tatted? 	shouldn't I have been tatting?
shouldn't you have been tatting?
shouldn't he have been tatting?
shouldn't we have been tatting?
shouldn't you have been tatting?
shouldn't they have been tatting?