ought to prealter
Verbo regular: prealter - prealtered- prealtered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to prealter
you ought to prealter
he ought to prealter
we ought to prealter
you ought to prealter
they ought to prealter 	I ought to be prealtering
you ought to be prealtering
he ought to be prealtering
we ought to be prealtering
you ought to be prealtering
they ought to be prealtering	I ought to have prealtered
you ought to have prealtered
he ought to have prealtered
we ought to have prealtered
you ought to have prealtered
they ought to have prealtered	I ought to have been prealtering
you ought to have been prealtering
he ought to have been prealtering
we ought to have been prealtering
you ought to have been prealtering
they ought to have been prealtering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I oughtn't to prealter
you oughtn't to prealter
he oughtn't to prealter
we oughtn't to prealter
you oughtn't to prealter
they oughtn't to prealter 	I oughtn't to be prealtering
you oughtn't to be prealtering
he oughtn't to be prealtering
we oughtn't to be prealtering
you oughtn't to be prealtering
they oughtn't to be prealtering	I oughtn't to have prealtered
you oughtn't to have prealtered
he oughtn't to have prealtered
we oughtn't to have prealtered
you oughtn't to have prealtered
they oughtn't to have prealtered	I oughtn't to have been prealtering
you oughtn't to have been prealtering
he oughtn't to have been prealtering
we oughtn't to have been prealtering
you oughtn't to have been prealtering
they oughtn't to have been prealtering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I prealter?
ought to you prealter?
ought to he prealter?
ought to we prealter?
ought to you prealter?
ought to they prealter? 	ought to I be prealtering?
ought to you be prealtering?
ought to he be prealtering?
ought to we be prealtering?
ought to you be prealtering?
ought to they be prealtering? 	ought to I have prealtered?
ought to you have prealtered?
ought to he have prealtered?
ought to we have prealtered?
ought to you have prealtered?
ought to they have prealtered? 	ought to I have been prealtering?
ought to you have been prealtering?
ought to he have been prealtering?
ought to we have been prealtering?
ought to you have been prealtering?
ought to they have been prealtering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
oughtn't I to prealter?
oughtn't you to prealter?
oughtn't he to prealter?
oughtn't we to prealter?
oughtn't you to prealter?
oughtn't they to prealter? 	oughtn't I to be prealtering?
oughtn't you to be prealtering?
oughtn't he to be prealtering?
oughtn't we to be prealtering?
oughtn't you to be prealtering?
oughtn't they to be prealtering? 	oughtn't I to have prealtered?
oughtn't you to have prealtered?
oughtn't he to have prealtered?
oughtn't we to have prealtered?
oughtn't you to have prealtered?
oughtn't they to have prealtered? 	oughtn't I to have been prealtering?
oughtn't you to have been prealtering?
oughtn't he to have been prealtering?
oughtn't we to have been prealtering?
oughtn't you to have been prealtering?
oughtn't they to have been prealtering?