could prebook
Verbe régulier : prebook - prebooked- prebooked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could prebook
you could prebook
she could prebook
we could prebook
you could prebook
they could prebook 	I could be prebooking
you could be prebooking
she could be prebooking
we could be prebooking
you could be prebooking
they could be prebooking	I could have prebooked
you could have prebooked
she could have prebooked
we could have prebooked
you could have prebooked
they could have prebooked	I could have been prebooking
you could have been prebooking
she could have been prebooking
we could have been prebooking
you could have been prebooking
they could have been prebooking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not prebook
you could not prebook
she could not prebook
we could not prebook
you could not prebook
they could not prebook 	I could not be prebooking
you could not be prebooking
she could not be prebooking
we could not be prebooking
you could not be prebooking
they could not be prebooking	I could not have prebooked
you could not have prebooked
she could not have prebooked
we could not have prebooked
you could not have prebooked
they could not have prebooked	I could not have been prebooking
you could not have been prebooking
she could not have been prebooking
we could not have been prebooking
you could not have been prebooking
they could not have been prebooking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I prebook?
could you prebook?
could she prebook?
could we prebook?
could you prebook?
could they prebook? 	could I be prebooking?
could you be prebooking?
could she be prebooking?
could we be prebooking?
could you be prebooking?
could they be prebooking? 	could I have prebooked?
could you have prebooked?
could she have prebooked?
could we have prebooked?
could you have prebooked?
could they have prebooked? 	could I have been prebooking?
could you have been prebooking?
could she have been prebooking?
could we have been prebooking?
could you have been prebooking?
could they have been prebooking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not prebook?
could you not prebook?
could she not prebook?
could we not prebook?
could you not prebook?
could they not prebook? 	could I not be prebooking?
could you not be prebooking?
could she not be prebooking?
could we not be prebooking?
could you not be prebooking?
could they not be prebooking? 	could I not have prebooked?
could you not have prebooked?
could she not have prebooked?
could we not have prebooked?
could you not have prebooked?
could they not have prebooked? 	could I not have been prebooking?
could you not have been prebooking?
could she not have been prebooking?
could we not have been prebooking?
could you not have been prebooking?
could they not have been prebooking?