could prebook
Verbo regular: prebook - prebooked- prebooked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could prebook
you could prebook
he could prebook
we could prebook
you could prebook
they could prebook 	I could be prebooking
you could be prebooking
he could be prebooking
we could be prebooking
you could be prebooking
they could be prebooking	I could have prebooked
you could have prebooked
he 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
he could have been prebooking
we could have been prebooking
you could have been prebooking
they could have been prebooking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't prebook
you couldn't prebook
he couldn't prebook
we couldn't prebook
you couldn't prebook
they couldn't prebook 	I couldn't be prebooking
you couldn't be prebooking
he couldn't be prebooking
we couldn't be prebooking
you couldn't be prebooking
they couldn't be prebooking	I couldn't have prebooked
you couldn't have prebooked
he couldn't have prebooked
we couldn't have prebooked
you couldn't have prebooked
they couldn't have prebooked	I couldn't have been prebooking
you couldn't have been prebooking
he couldn't have been prebooking
we couldn't have been prebooking
you couldn't have been prebooking
they couldn't have been prebooking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I prebook?
could you prebook?
could he prebook?
could we prebook?
could you prebook?
could they prebook? 	could I be prebooking?
could you be prebooking?
could he be prebooking?
could we be prebooking?
could you be prebooking?
could they be prebooking? 	could I have prebooked?
could you have prebooked?
could he 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 he have been prebooking?
could we have been prebooking?
could you have been prebooking?
could they have been prebooking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I prebook?
couldn't you prebook?
couldn't he prebook?
couldn't we prebook?
couldn't you prebook?
couldn't they prebook? 	couldn't I be prebooking?
couldn't you be prebooking?
couldn't he be prebooking?
couldn't we be prebooking?
couldn't you be prebooking?
couldn't they be prebooking? 	couldn't I have prebooked?
couldn't you have prebooked?
couldn't he have prebooked?
couldn't we have prebooked?
couldn't you have prebooked?
couldn't they have prebooked? 	couldn't I have been prebooking?
couldn't you have been prebooking?
couldn't he have been prebooking?
couldn't we have been prebooking?
couldn't you have been prebooking?
couldn't they have been prebooking?