can book
Verbo regular: book - booked- booked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can book
you can book
she can book
we can book
you can book
they can book 	I can be booking
you can be booking
she can be booking
we can be booking
you can be booking
they can be booking	I can have booked
you can have booked
she can have booked
we can have booked
you can have booked
they can have booked	I can have been booking
you can have been booking
she can have been booking
we can have been booking
you can have been booking
they can have been booking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't book
you can't book
she can't book
we can't book
you can't book
they can't book 	I can't be booking
you can't be booking
she can't be booking
we can't be booking
you can't be booking
they can't be booking	I can't have booked
you can't have booked
she can't have booked
we can't have booked
you can't have booked
they can't have booked	I can't have been booking
you can't have been booking
she can't have been booking
we can't have been booking
you can't have been booking
they can't have been booking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I book?
can you book?
can she book?
can we book?
can you book?
can they book? 	can I be booking?
can you be booking?
can she be booking?
can we be booking?
can you be booking?
can they be booking? 	can I have booked?
can you have booked?
can she have booked?
can we have booked?
can you have booked?
can they have booked? 	can I have been booking?
can you have been booking?
can she have been booking?
can we have been booking?
can you have been booking?
can they have been booking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I book?
can't you book?
can't she book?
can't we book?
can't you book?
can't they book? 	can't I be booking?
can't you be booking?
can't she be booking?
can't we be booking?
can't you be booking?
can't they be booking? 	can't I have booked?
can't you have booked?
can't she have booked?
can't we have booked?
can't you have booked?
can't they have booked? 	can't I have been booking?
can't you have been booking?
can't she have been booking?
can't we have been booking?
can't you have been booking?
can't they have been booking?