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
he 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
he 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
he 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
he 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 couldn't keen keen
you couldn't keen keen
he couldn't keen keen
we couldn't keen keen
you couldn't keen keen
they couldn't keen keen

V-ing form

I couldn't be keen keening
you couldn't be keen keening
he couldn't be keen keening
we couldn't be keen keening
you couldn't be keen keening
they couldn't be keen keening

Perfect

I couldn't have keen keened
you couldn't have keen keened
he couldn't have keen keened
we couldn't have keen keened
you couldn't have keen keened
they couldn't have keen keened

V-ing perfect

I couldn't have been keen keening
you couldn't have been keen keening
he couldn't have been keen keening
we couldn't have been keen keening
you couldn't have been keen keening
they couldn't have been keen keening

Interrogative form

Simple form

could I keen keen?
could you keen keen?
could he 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 he 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 he 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 he 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

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

V-ing form

couldn't I be keen keening?
couldn't you be keen keening?
couldn't he be keen keening?
couldn't we be keen keening?
couldn't you be keen keening?
couldn't they be keen keening?

Perfect

couldn't I have keen keened?
couldn't you have keen keened?
couldn't he have keen keened?
couldn't we have keen keened?
couldn't you have keen keened?
couldn't they have keen keened?

V-ing perfect

couldn't I have been keen keening?
couldn't you have been keen keening?
couldn't he have been keen keening?
couldn't we have been keen keening?
couldn't you have been keen keening?
couldn't they have been keen keening?

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