English verb conjugation COULD OK

Regular verb: ok - oked - oked

Affirmation

Simple form

I could ok
you could ok
he could ok
we could ok
you could ok
they could ok

V-ing form

I could be oking
you could be oking
he could be oking
we could be oking
you could be oking
they could be oking

Perfect

I could have oked
you could have oked
he could have oked
we could have oked
you could have oked
they could have oked

V-ing perfect

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

Negation

Simple form

I couldn't ok
you couldn't ok
he couldn't ok
we couldn't ok
you couldn't ok
they couldn't ok

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I ok?
could you ok?
could he ok?
could we ok?
could you ok?
could they ok?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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