English verb conjugation COULD KEEN KEEN

Regular verb: keen keen - keen keened - keen keened

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could keen keen
you could keen keen
she could keen keen
we could keen keen
you could keen keen
they could keen keen

V-ing form

I could be keen keening
you could be keen keening
she could be keen keening
we could be keen keening
you could be keen keening
they could be keen keening

Perfect

I could have keen keened
you could have keen keened
she could have keen keened
we could have keen keened
you could have keen keened
they could have keen keened

V-ing perfect

I could have been keen keening
you could have been keen keening
she could have been keen keening
we could have been keen keening
you could have been keen keening
they could have been keen keening

Negation

Simple form

I could not keen keen
you could not keen keen
she could not keen keen
we could not keen keen
you could not keen keen
they could not keen keen

V-ing form

I could not be keen keening
you could not be keen keening
she could not be keen keening
we could not be keen keening
you could not be keen keening
they could not be keen keening

Perfect

I could not have keen keened
you could not have keen keened
she could not have keen keened
we could not have keen keened
you could not have keen keened
they could not have keen keened

V-ing perfect

I could not have been keen keening
you could not have been keen keening
she could not have been keen keening
we could not have been keen keening
you could not have been keen keening
they could not have been keen keening

Interrogative form

Simple form

could I keen keen?
could you keen keen?
could she keen keen?
could we keen keen?
could you keen keen?
could they keen keen?

V-ing form

could I be keen keening?
could you be keen keening?
could she be keen keening?
could we be keen keening?
could you be keen keening?
could they be keen keening?

Perfect

could I have keen keened?
could you have keen keened?
could she have keen keened?
could we have keen keened?
could you have keen keened?
could they have keen keened?

V-ing perfect

could I have been keen keening?
could you have been keen keening?
could she have been keen keening?
could we have been keen keening?
could you have been keen keening?
could they have been keen keening?

Interro-negative form

Simple form

could I not keen keen?
could you not keen keen?
could she not keen keen?
could we not keen keen?
could you not keen keen?
could they not keen keen?

V-ing form

could I not be keen keening?
could you not be keen keening?
could she not be keen keening?
could we not be keen keening?
could you not be keen keening?
could they not be keen keening?

Perfect

could I not have keen keened?
could you not have keen keened?
could she not have keen keened?
could we not have keen keened?
could you not have keen keened?
could they not have keen keened?

V-ing perfect

could I not have been keen keening?
could you not have been keen keening?
could she not have been keen keening?
could we not have been keen keening?
could you not have been keen keening?
could they not have been keen keening?

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