English verb conjugation COULD PREBOOK

Regular verb: prebook - prebooked - prebooked

Affirmation

Simple form

I could prebook
you could prebook
he could prebook
we could prebook
you could prebook
they could prebook

V-ing form

I could be prebooking
you could be prebooking
he could be prebooking
we could be prebooking
you could be prebooking
they could be prebooking

Perfect

I could have prebooked
you could have prebooked
he could have prebooked
we could have prebooked
you could have prebooked
they could have prebooked

V-ing perfect

I could have been prebooking
you could have been prebooking
he could have been prebooking
we could have been prebooking
you could have been prebooking
they could have been prebooking

Negation

Simple form

I couldn't prebook
you couldn't prebook
he couldn't prebook
we couldn't prebook
you couldn't prebook
they couldn't prebook

V-ing form

I couldn't be prebooking
you couldn't be prebooking
he couldn't be prebooking
we couldn't be prebooking
you couldn't be prebooking
they couldn't be prebooking

Perfect

I couldn't have prebooked
you couldn't have prebooked
he couldn't have prebooked
we couldn't have prebooked
you couldn't have prebooked
they couldn't have prebooked

V-ing perfect

I couldn't have been prebooking
you couldn't have been prebooking
he couldn't have been prebooking
we couldn't have been prebooking
you couldn't have been prebooking
they couldn't have been prebooking

Interrogative form

Simple form

could I prebook?
could you prebook?
could he prebook?
could we prebook?
could you prebook?
could they prebook?

V-ing form

could I be prebooking?
could you be prebooking?
could he be prebooking?
could we be prebooking?
could you be prebooking?
could they be prebooking?

Perfect

could I have prebooked?
could you have prebooked?
could he have prebooked?
could we have prebooked?
could you have prebooked?
could they have prebooked?

V-ing perfect

could I have been prebooking?
could you have been prebooking?
could he have been prebooking?
could we have been prebooking?
could you have been prebooking?
could they have been prebooking?

Interro-negative form

Simple form

couldn't I prebook?
couldn't you prebook?
couldn't he prebook?
couldn't we prebook?
couldn't you prebook?
couldn't they prebook?

V-ing form

couldn't I be prebooking?
couldn't you be prebooking?
couldn't he be prebooking?
couldn't we be prebooking?
couldn't you be prebooking?
couldn't they be prebooking?

Perfect

couldn't I have prebooked?
couldn't you have prebooked?
couldn't he have prebooked?
couldn't we have prebooked?
couldn't you have prebooked?
couldn't they have prebooked?

V-ing perfect

couldn't I have been prebooking?
couldn't you have been prebooking?
couldn't he have been prebooking?
couldn't we have been prebooking?
couldn't you have been prebooking?
couldn't they have been prebooking?

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