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 mustn't libel
you mustn't libel
he mustn't libel
we mustn't libel
you mustn't libel
they mustn't libel

V-ing form

I mustn't be libelling
you mustn't be libelling
he mustn't be libelling
we mustn't be libelling
you mustn't be libelling
they mustn't be libelling

Perfect

I mustn't have libelled
you mustn't have libelled
he mustn't have libelled
we mustn't have libelled
you mustn't have libelled
they mustn't have libelled

V-ing perfect

I mustn't have been libelling
you mustn't have been libelling
he mustn't have been libelling
we mustn't have been libelling
you mustn't have been libelling
they mustn't 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

mustn't I libel?
mustn't you libel?
mustn't he libel?
mustn't we libel?
mustn't you libel?
mustn't they libel?

V-ing form

mustn't I be libelling?
mustn't you be libelling?
mustn't he be libelling?
mustn't we be libelling?
mustn't you be libelling?
mustn't they be libelling?

Perfect

mustn't I have libelled?
mustn't you have libelled?
mustn't he have libelled?
mustn't we have libelled?
mustn't you have libelled?
mustn't they have libelled?

V-ing perfect

mustn't I have been libelling?
mustn't you have been libelling?
mustn't he have been libelling?
mustn't we have been libelling?
mustn't you have been libelling?
mustn't they have been libelling?

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