ought to prealter
Verbe régulier : prealter - prealtered- prealtered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to prealter
you ought to prealter
she 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
she 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
she 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
she ought to have been prealtering
we ought to have been prealtering
you ought to have been prealtering
they ought to have been prealtering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to prealter
you oughtn't to prealter
she 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
she 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
she 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
she 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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I prealter?
ought to you prealter?
ought to she 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 she 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 she 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 she have been prealtering?
ought to we have been prealtering?
ought to you have been prealtering?
ought to they have been prealtering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to prealter?
oughtn't you to prealter?
oughtn't she 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 she 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 she 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 she 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?