English verb conjugation COULD PREWORK

Regular verb: prework - preworked - preworked

Affirmation

Simple form

I could prework
you could prework
he could prework
we could prework
you could prework
they could prework

V-ing form

I could be preworking
you could be preworking
he could be preworking
we could be preworking
you could be preworking
they could be preworking

Perfect

I could have preworked
you could have preworked
he could have preworked
we could have preworked
you could have preworked
they could have preworked

V-ing perfect

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

Negation

Simple form

I could not prework
you could not prework
he could not prework
we could not prework
you could not prework
they could not prework

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I prework?
could you prework?
could he prework?
could we prework?
could you prework?
could they prework?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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