English verb conjugation COULD OYSTER

Regular verb: oyster - oystered - oystered

Affirmation

Simple form

I could oyster
you could oyster
she could oyster
we could oyster
you could oyster
they could oyster

V-ing form

I could be oystering
you could be oystering
she could be oystering
we could be oystering
you could be oystering
they could be oystering

Perfect

I could have oystered
you could have oystered
she 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
she 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
she 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
she 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
she 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
she 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 she oyster?
could we oyster?
could you oyster?
could they oyster?

V-ing form

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

Perfect

could I have oystered?
could you have oystered?
could she 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 she 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 she 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 she 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 she 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 she 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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