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 couldn't oyster
you couldn't oyster
he couldn't oyster
we couldn't oyster
you couldn't oyster
they couldn't oyster

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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