can double-book double-book
Regular verb: double-book double-book - double-book double-booked- double-book double-booked

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can double-book double-book
you can double-book double-book
he can double-book double-book
we can double-book double-book
you can double-book double-book
they can double-book double-book 	I can be double-book double-booking
you can be double-book double-booking
he can be double-book double-booking
we can be double-book double-booking
you can be double-book double-booking
they can be double-book double-booking	I can have double-book double-booked
you can have double-book double-booked
he can have double-book double-booked
we can have double-book double-booked
you can have double-book double-booked
they can have double-book double-booked	I can have been double-book double-booking
you can have been double-book double-booking
he can have been double-book double-booking
we can have been double-book double-booking
you can have been double-book double-booking
they can have been double-book double-booking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot double-book double-book
you cannot double-book double-book
he cannot double-book double-book
we cannot double-book double-book
you cannot double-book double-book
they cannot double-book double-book 	I cannot be double-book double-booking
you cannot be double-book double-booking
he cannot be double-book double-booking
we cannot be double-book double-booking
you cannot be double-book double-booking
they cannot be double-book double-booking	I cannot have double-book double-booked
you cannot have double-book double-booked
he cannot have double-book double-booked
we cannot have double-book double-booked
you cannot have double-book double-booked
they cannot have double-book double-booked	I cannot have been double-book double-booking
you cannot have been double-book double-booking
he cannot have been double-book double-booking
we cannot have been double-book double-booking
you cannot have been double-book double-booking
they cannot have been double-book double-booking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I double-book double-book?
can you double-book double-book?
can he double-book double-book?
can we double-book double-book?
can you double-book double-book?
can they double-book double-book? 	can I be double-book double-booking?
can you be double-book double-booking?
can he be double-book double-booking?
can we be double-book double-booking?
can you be double-book double-booking?
can they be double-book double-booking? 	can I have double-book double-booked?
can you have double-book double-booked?
can he have double-book double-booked?
can we have double-book double-booked?
can you have double-book double-booked?
can they have double-book double-booked? 	can I have been double-book double-booking?
can you have been double-book double-booking?
can he have been double-book double-booking?
can we have been double-book double-booking?
can you have been double-book double-booking?
can they have been double-book double-booking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not double-book double-book?
can you not double-book double-book?
can he not double-book double-book?
can we not double-book double-book?
can you not double-book double-book?
can they not double-book double-book? 	can I not be double-book double-booking?
can you not be double-book double-booking?
can he not be double-book double-booking?
can we not be double-book double-booking?
can you not be double-book double-booking?
can they not be double-book double-booking? 	can I not have double-book double-booked?
can you not have double-book double-booked?
can he not have double-book double-booked?
can we not have double-book double-booked?
can you not have double-book double-booked?
can they not have double-book double-booked? 	can I not have been double-book double-booking?
can you not have been double-book double-booking?
can he not have been double-book double-booking?
can we not have been double-book double-booking?
can you not have been double-book double-booking?
can they not have been double-book double-booking?