English verb conjugation COULD OYSTER

Regular verb: oyster - oystered - oystered

Affirmation

Simple form

I could oyster
you could oyster
he could oyster
we could oyster
you could oyster
they could oyster

V-ing form

I could be oystering
you could be oystering
he could be oystering
we could be oystering
you could be oystering
they could be oystering

Perfect

I could have oystered
you could have oystered
he could have oystered
we could have oystered
you could have oystered
they could have oystered

V-ing perfect

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

Negation

Simple form

I could not oyster
you could not oyster
he could not oyster
we could not oyster
you could not oyster
they could not oyster

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I oyster?
could you oyster?
could he oyster?
could we oyster?
could you oyster?
could they oyster?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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