English verb conjugation MUST LIBEL

Regular verb: libel - libelled - libelled

Affirmation

Simple form

I must libel
you must libel
he must libel
we must libel
you must libel
they must libel

V-ing form

I must be libelling
you must be libelling
he must be libelling
we must be libelling
you must be libelling
they must be libelling

Perfect

I must have libelled
you must have libelled
he must have libelled
we must have libelled
you must have libelled
they must have libelled

V-ing perfect

I must have been libelling
you must have been libelling
he must have been libelling
we must have been libelling
you must have been libelling
they must have been libelling

Negation

Simple form

I must not libel
you must not libel
he must not libel
we must not libel
you must not libel
they must not libel

V-ing form

I must not be libelling
you must not be libelling
he must not be libelling
we must not be libelling
you must not be libelling
they must not be libelling

Perfect

I must not have libelled
you must not have libelled
he must not have libelled
we must not have libelled
you must not have libelled
they must not have libelled

V-ing perfect

I must not have been libelling
you must not have been libelling
he must not have been libelling
we must not have been libelling
you must not have been libelling
they must not have been libelling

Interrogative form

Simple form

must I libel?
must you libel?
must he libel?
must we libel?
must you libel?
must they libel?

V-ing form

must I be libelling?
must you be libelling?
must he be libelling?
must we be libelling?
must you be libelling?
must they be libelling?

Perfect

must I have libelled?
must you have libelled?
must he have libelled?
must we have libelled?
must you have libelled?
must they have libelled?

V-ing perfect

must I have been libelling?
must you have been libelling?
must he have been libelling?
must we have been libelling?
must you have been libelling?
must they have been libelling?

Interro-negative form

Simple form

must I not libel?
must you not libel?
must he not libel?
must we not libel?
must you not libel?
must they not libel?

V-ing form

must I not be libelling?
must you not be libelling?
must he not be libelling?
must we not be libelling?
must you not be libelling?
must they not be libelling?

Perfect

must I not have libelled?
must you not have libelled?
must he not have libelled?
must we not have libelled?
must you not have libelled?
must they not have libelled?

V-ing perfect

must I not have been libelling?
must you not have been libelling?
must he not have been libelling?
must we not have been libelling?
must you not have been libelling?
must they not have been libelling?

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