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 ought not to prealter
you ought not to prealter
she ought not to prealter
we ought not to prealter
you ought not to prealter
they ought not to prealter 	I ought not to prealtering
you ought not to prealtering
she ought not to prealtering
we ought not to prealtering
you ought not to prealtering
they ought not to prealtering	I ought not to have prealtered
you ought not to have prealtered
she ought not to have prealtered
we ought not to have prealtered
you ought not to have prealtered
they ought not to have prealtered	I ought not to have been prealtering
you ought not to have been prealtering
she ought not to have been prealtering
we ought not to have been prealtering
you ought not to have been prealtering
they ought not 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 	
ought I not to prealter?
ought you not to prealter?
ought she not to prealter?
ought we not to prealter?
ought you not to prealter?
ought they not to prealter? 	ought I not to be prealtering?
ought you not to be prealtering?
ought she not to be prealtering?
ought we not to be prealtering?
ought you not to be prealtering?
ought they not to be prealtering? 	ought I not to have prealtered?
ought you not to have prealtered?
ought she not to have prealtered?
ought we not to have prealtered?
ought you not to have prealtered?
ought they not to have prealtered? 	ought I not to have been prealtering?
ought you not to have been prealtering?
ought she not to have been prealtering?
ought we not to have been prealtering?
ought you not to have been prealtering?
ought they not to have been prealtering?