The Conjugator
English verb conjugation
COULD BOOK

Regular verb: book - booked - booked

Affirmation

Simple form

V-ing form

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

Perfect

V-ing perfect

I could have booked
you could have booked
she could have booked
we could have booked
you could have booked
they could have booked
I could have been booking
you could have been booking
she could have been booking
we could have been booking
you could have been booking
they could have been booking

Negation

Simple form

V-ing form

I couldn't book
you couldn't book
she couldn't book
we couldn't book
you couldn't book
they couldn't book
I couldn't be booking
you couldn't be booking
she couldn't be booking
we couldn't be booking
you couldn't be booking
they couldn't be booking

Perfect

V-ing perfect

I couldn't have booked
you couldn't have booked
she couldn't have booked
we couldn't have booked
you couldn't have booked
they couldn't have booked
I couldn't have been booking
you couldn't have been booking
she couldn't have been booking
we couldn't have been booking
you couldn't have been booking
they couldn't have been booking

Interrogative form

Simple form

V-ing form

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

Perfect

V-ing perfect

could I have booked?
could you have booked?
could she have booked?
could we have booked?
could you have booked?
could they have booked?
could I have been booking?
could you have been booking?
could she have been booking?
could we have been booking?
could you have been booking?
could they have been booking?

Interro-negative form

Simple form

V-ing form

couldn't I book?
couldn't you book?
couldn't she book?
couldn't we book?
couldn't you book?
couldn't they book?
couldn't I be booking?
couldn't you be booking?
couldn't she be booking?
couldn't we be booking?
couldn't you be booking?
couldn't they be booking?

Perfect

V-ing perfect

couldn't I have booked?
couldn't you have booked?
couldn't she have booked?
couldn't we have booked?
couldn't you have booked?
couldn't they have booked?
couldn't I have been booking?
couldn't you have been booking?
couldn't she have been booking?
couldn't we have been booking?
couldn't you have been booking?
couldn't they have been booking?