ought to prebook
Verbe régulier : prebook - prebooked- prebooked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to prebook
you ought to prebook
he ought to prebook
we ought to prebook
you ought to prebook
they ought to prebook 	I ought to be prebooking
you ought to be prebooking
he ought to be prebooking
we ought to be prebooking
you ought to be prebooking
they ought to be prebooking	I ought to have prebooked
you ought to have prebooked
he ought to have prebooked
we ought to have prebooked
you ought to have prebooked
they ought to have prebooked	I ought to have been prebooking
you ought to have been prebooking
he ought to have been prebooking
we ought to have been prebooking
you ought to have been prebooking
they ought to have been prebooking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to prebook
you oughtn't to prebook
he oughtn't to prebook
we oughtn't to prebook
you oughtn't to prebook
they oughtn't to prebook 	I oughtn't to be prebooking
you oughtn't to be prebooking
he oughtn't to be prebooking
we oughtn't to be prebooking
you oughtn't to be prebooking
they oughtn't to be prebooking	I oughtn't to have prebooked
you oughtn't to have prebooked
he oughtn't to have prebooked
we oughtn't to have prebooked
you oughtn't to have prebooked
they oughtn't to have prebooked	I oughtn't to have been prebooking
you oughtn't to have been prebooking
he oughtn't to have been prebooking
we oughtn't to have been prebooking
you oughtn't to have been prebooking
they oughtn't to have been prebooking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I prebook?
ought to you prebook?
ought to he prebook?
ought to we prebook?
ought to you prebook?
ought to they prebook? 	ought to I be prebooking?
ought to you be prebooking?
ought to he be prebooking?
ought to we be prebooking?
ought to you be prebooking?
ought to they be prebooking? 	ought to I have prebooked?
ought to you have prebooked?
ought to he have prebooked?
ought to we have prebooked?
ought to you have prebooked?
ought to they have prebooked? 	ought to I have been prebooking?
ought to you have been prebooking?
ought to he have been prebooking?
ought to we have been prebooking?
ought to you have been prebooking?
ought to they have been prebooking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to prebook?
oughtn't you to prebook?
oughtn't he to prebook?
oughtn't we to prebook?
oughtn't you to prebook?
oughtn't they to prebook? 	oughtn't I to be prebooking?
oughtn't you to be prebooking?
oughtn't he to be prebooking?
oughtn't we to be prebooking?
oughtn't you to be prebooking?
oughtn't they to be prebooking? 	oughtn't I to have prebooked?
oughtn't you to have prebooked?
oughtn't he to have prebooked?
oughtn't we to have prebooked?
oughtn't you to have prebooked?
oughtn't they to have prebooked? 	oughtn't I to have been prebooking?
oughtn't you to have been prebooking?
oughtn't he to have been prebooking?
oughtn't we to have been prebooking?
oughtn't you to have been prebooking?
oughtn't they to have been prebooking?