English verb conjugation COULD BOOK BOOK

Regular verb: book book - book booked - book booked

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

Affirmation

Simple form

I could book book
you could book book
he could book book
we could book book
you could book book
they could book book

V-ing form

I could be book booking
you could be book booking
he could be book booking
we could be book booking
you could be book booking
they could be book booking

Perfect

I could have book booked
you could have book booked
he could have book booked
we could have book booked
you could have book booked
they could have book booked

V-ing perfect

I could have been book booking
you could have been book booking
he could have been book booking
we could have been book booking
you could have been book booking
they could have been book booking

Negation

Simple form

I could not book book
you could not book book
he could not book book
we could not book book
you could not book book
they could not book book

V-ing form

I could not be book booking
you could not be book booking
he could not be book booking
we could not be book booking
you could not be book booking
they could not be book booking

Perfect

I could not have book booked
you could not have book booked
he could not have book booked
we could not have book booked
you could not have book booked
they could not have book booked

V-ing perfect

I could not have been book booking
you could not have been book booking
he could not have been book booking
we could not have been book booking
you could not have been book booking
they could not have been book booking

Interrogative form

Simple form

could I book book?
could you book book?
could he book book?
could we book book?
could you book book?
could they book book?

V-ing form

could I be book booking?
could you be book booking?
could he be book booking?
could we be book booking?
could you be book booking?
could they be book booking?

Perfect

could I have book booked?
could you have book booked?
could he have book booked?
could we have book booked?
could you have book booked?
could they have book booked?

V-ing perfect

could I have been book booking?
could you have been book booking?
could he have been book booking?
could we have been book booking?
could you have been book booking?
could they have been book booking?

Interro-negative form

Simple form

could I not book book?
could you not book book?
could he not book book?
could we not book book?
could you not book book?
could they not book book?

V-ing form

could I not be book booking?
could you not be book booking?
could he not be book booking?
could we not be book booking?
could you not be book booking?
could they not be book booking?

Perfect

could I not have book booked?
could you not have book booked?
could he not have book booked?
could we not have book booked?
could you not have book booked?
could they not have book booked?

V-ing perfect

could I not have been book booking?
could you not have been book booking?
could he not have been book booking?
could we not have been book booking?
could you not have been book booking?
could they not have been book booking?

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