English verb conjugation COULD OVERBOOK

Regular verb: overbook - overbooked - overbooked

Affirmation

Simple form

I could overbook
you could overbook
he could overbook
we could overbook
you could overbook
they could overbook

V-ing form

I could be overbooking
you could be overbooking
he could be overbooking
we could be overbooking
you could be overbooking
they could be overbooking

Perfect

I could have overbooked
you could have overbooked
he could have overbooked
we could have overbooked
you could have overbooked
they could have overbooked

V-ing perfect

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

Negation

Simple form

I could not overbook
you could not overbook
he could not overbook
we could not overbook
you could not overbook
they could not overbook

V-ing form

I could not be overbooking
you could not be overbooking
he could not be overbooking
we could not be overbooking
you could not be overbooking
they could not be overbooking

Perfect

I could not have overbooked
you could not have overbooked
he could not have overbooked
we could not have overbooked
you could not have overbooked
they could not have overbooked

V-ing perfect

I could not have been overbooking
you could not have been overbooking
he could not have been overbooking
we could not have been overbooking
you could not have been overbooking
they could not have been overbooking

Interrogative form

Simple form

could I overbook?
could you overbook?
could he overbook?
could we overbook?
could you overbook?
could they overbook?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

could I not be overbooking?
could you not be overbooking?
could he not be overbooking?
could we not be overbooking?
could you not be overbooking?
could they not be overbooking?

Perfect

could I not have overbooked?
could you not have overbooked?
could he not have overbooked?
could we not have overbooked?
could you not have overbooked?
could they not have overbooked?

V-ing perfect

could I not have been overbooking?
could you not have been overbooking?
could he not have been overbooking?
could we not have been overbooking?
could you not have been overbooking?
could they not have been overbooking?

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