English verb conjugation MUST KNELL

Regular verb: knell - knelled - knelled

Affirmation

Simple form

I must knell
you must knell
she must knell
we must knell
you must knell
they must knell

V-ing form

I must be knelling
you must be knelling
she must be knelling
we must be knelling
you must be knelling
they must be knelling

Perfect

I must have knelled
you must have knelled
she must have knelled
we must have knelled
you must have knelled
they must have knelled

V-ing perfect

I must have been knelling
you must have been knelling
she must have been knelling
we must have been knelling
you must have been knelling
they must have been knelling

Negation

Simple form

I must not knell
you must not knell
she must not knell
we must not knell
you must not knell
they must not knell

V-ing form

I must not be knelling
you must not be knelling
she must not be knelling
we must not be knelling
you must not be knelling
they must not be knelling

Perfect

I must not have knelled
you must not have knelled
she must not have knelled
we must not have knelled
you must not have knelled
they must not have knelled

V-ing perfect

I must not have been knelling
you must not have been knelling
she must not have been knelling
we must not have been knelling
you must not have been knelling
they must not have been knelling

Interrogative form

Simple form

must I knell?
must you knell?
must she knell?
must we knell?
must you knell?
must they knell?

V-ing form

must I be knelling?
must you be knelling?
must she be knelling?
must we be knelling?
must you be knelling?
must they be knelling?

Perfect

must I have knelled?
must you have knelled?
must she have knelled?
must we have knelled?
must you have knelled?
must they have knelled?

V-ing perfect

must I have been knelling?
must you have been knelling?
must she have been knelling?
must we have been knelling?
must you have been knelling?
must they have been knelling?

Interro-negative form

Simple form

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

V-ing form

must I not be knelling?
must you not be knelling?
must she not be knelling?
must we not be knelling?
must you not be knelling?
must they not be knelling?

Perfect

must I not have knelled?
must you not have knelled?
must she not have knelled?
must we not have knelled?
must you not have knelled?
must they not have knelled?

V-ing perfect

must I not have been knelling?
must you not have been knelling?
must she not have been knelling?
must we not have been knelling?
must you not have been knelling?
must they not have been knelling?

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