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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST 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 must book book
you must book book
he must book book
we must book book
you must book book
they must book book
V-ing form
I must be book booking
you must be book booking
he must be book booking
we must be book booking
you must be book booking
they must be book booking
Perfect
I must have book booked
you must have book booked
he must have book booked
we must have book booked
you must have book booked
they must have book booked
V-ing perfect
I must have been book booking
you must have been book booking
he must have been book booking
we must have been book booking
you must have been book booking
they must have been book booking

Negation

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

Interrogative form

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

Interro-negative form

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