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 could not ok
you could not ok
he could not ok
we could not ok
you could not ok
they could not ok

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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