ought to stud
Verbo regular: stud - studded- studded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to stud
you ought to stud
he ought to stud
we ought to stud
you ought to stud
they ought to stud 	I ought to be studding
you ought to be studding
he ought to be studding
we ought to be studding
you ought to be studding
they ought to be studding	I ought to have studded
you ought to have studded
he ought to have studded
we ought to have studded
you ought to have studded
they ought to have studded	I ought to have been studding
you ought to have been studding
he ought to have been studding
we ought to have been studding
you ought to have been studding
they ought to have been studding	

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

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I stud?
ought to you stud?
ought to he stud?
ought to we stud?
ought to you stud?
ought to they stud? 	ought to I be studding?
ought to you be studding?
ought to he be studding?
ought to we be studding?
ought to you be studding?
ought to they be studding? 	ought to I have studded?
ought to you have studded?
ought to he have studded?
ought to we have studded?
ought to you have studded?
ought to they have studded? 	ought to I have been studding?
ought to you have been studding?
ought to he have been studding?
ought to we have been studding?
ought to you have been studding?
ought to they have been studding? 	

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