English verb conjugation MUST 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 must keen keen
you must keen keen
she must keen keen
we must keen keen
you must keen keen
they must keen keen

V-ing form

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

Perfect

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

V-ing perfect

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

Negation

Simple form

I must not keen keen
you must not keen keen
she must not keen keen
we must not keen keen
you must not keen keen
they must not keen keen

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I keen keen?
must you keen keen?
must she keen keen?
must we keen keen?
must you keen keen?
must they keen keen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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