English verb conjugation
CAN DOUBLE-BOOK

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

Affirmation

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

Negation

Simple form	V-ing form
I can't double-book you can't double-book he can't double-book we can't double-book you can't double-book they can't double-book	I can't be double-booking you can't be double-booking he can't be double-booking we can't be double-booking you can't be double-booking they can't be double-booking
Perfect	V-ing perfect
I can't have double-booked you can't have double-booked he can't have double-booked we can't have double-booked you can't have double-booked they can't have double-booked	I can't have been double-booking you can't have been double-booking he can't have been double-booking we can't have been double-booking you can't have been double-booking they can't have been double-booking

Interrogative form

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

Interro-negative form

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