should stool
Regular verb: stool - stooled- stooled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd stool
you'd stool
she'd stool
we'd stool
you'd stool
they'd stool 	I'd be stooling
you'd be stooling
she'd be stooling
we'd be stooling
you'd be stooling
they'd be stooling	I should've stooled
you should've stooled
she should've stooled
we should've stooled
you should've stooled
they should've stooled	I should've been stooling
you should've been stooling
she should've been stooling
we should've been stooling
you should've been stooling
they should've been stooling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't stool
you shouldn't stool
she shouldn't stool
we shouldn't stool
you shouldn't stool
they shouldn't stool 	I shouldn't be stooling
you shouldn't be stooling
she shouldn't be stooling
we shouldn't be stooling
you shouldn't be stooling
they shouldn't be stooling	I shouldn't have stooled
you shouldn't have stooled
she shouldn't have stooled
we shouldn't have stooled
you shouldn't have stooled
they shouldn't have stooled	I shouldn't have been stooling
you shouldn't have been stooling
she shouldn't have been stooling
we shouldn't have been stooling
you shouldn't have been stooling
they shouldn't have been stooling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I stool?
should you stool?
should she stool?
should we stool?
should you stool?
should they stool? 	should I be stooling?
should you be stooling?
should she be stooling?
should we be stooling?
should you be stooling?
should they be stooling? 	should I have stooled?
should you have stooled?
should she have stooled?
should we have stooled?
should you have stooled?
should they have stooled? 	should I have been stooling?
should you have been stooling?
should she have been stooling?
should we have been stooling?
should you have been stooling?
should they have been stooling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I stool?
shouldn't you stool?
shouldn't she stool?
shouldn't we stool?
shouldn't you stool?
shouldn't they stool? 	shouldn't I be stooling?
shouldn't you be stooling?
shouldn't she be stooling?
shouldn't we be stooling?
shouldn't you be stooling?
shouldn't they be stooling? 	shouldn't I have stooled?
shouldn't you have stooled?
shouldn't she have stooled?
shouldn't we have stooled?
shouldn't you have stooled?
shouldn't they have stooled? 	shouldn't I have been stooling?
shouldn't you have been stooling?
shouldn't she have been stooling?
shouldn't we have been stooling?
shouldn't you have been stooling?
shouldn't they have been stooling?