should stud
Verbo regular: stud - studded- studded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd stud
you'd stud
she'd stud
we'd stud
you'd stud
they'd stud 	I'd be studding
you'd be studding
she'd be studding
we'd be studding
you'd be studding
they'd be studding	I should've studded
you should've studded
she should've studded
we should've studded
you should've studded
they should've studded	I should've been studding
you should've been studding
she should've been studding
we should've been studding
you should've been studding
they should've been studding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't stud
you shouldn't stud
she shouldn't stud
we shouldn't stud
you shouldn't stud
they shouldn't stud 	I shouldn't be studding
you shouldn't be studding
she shouldn't be studding
we shouldn't be studding
you shouldn't be studding
they shouldn't be studding	I shouldn't have studded
you shouldn't have studded
she shouldn't have studded
we shouldn't have studded
you shouldn't have studded
they shouldn't have studded	I shouldn't have been studding
you shouldn't have been studding
she shouldn't have been studding
we shouldn't have been studding
you shouldn't have been studding
they shouldn't have been studding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I stud?
should you stud?
should she stud?
should we stud?
should you stud?
should they stud? 	should I be studding?
should you be studding?
should she be studding?
should we be studding?
should you be studding?
should they be studding? 	should I have studded?
should you have studded?
should she have studded?
should we have studded?
should you have studded?
should they have studded? 	should I have been studding?
should you have been studding?
should she have been studding?
should we have been studding?
should you have been studding?
should they have been studding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I stud?
shouldn't you stud?
shouldn't she stud?
shouldn't we stud?
shouldn't you stud?
shouldn't they stud? 	shouldn't I be studding?
shouldn't you be studding?
shouldn't she be studding?
shouldn't we be studding?
shouldn't you be studding?
shouldn't they be studding? 	shouldn't I have studded?
shouldn't you have studded?
shouldn't she have studded?
shouldn't we have studded?
shouldn't you have studded?
shouldn't they have studded? 	shouldn't I have been studding?
shouldn't you have been studding?
shouldn't she have been studding?
shouldn't we have been studding?
shouldn't you have been studding?
shouldn't they have been studding?