English verb conjugation MUST FABLE

Regular verb: fable - fabled - fabled

Affirmation

Simple form

I must fable
you must fable
he must fable
we must fable
you must fable
they must fable

V-ing form

I must be fabling
you must be fabling
he must be fabling
we must be fabling
you must be fabling
they must be fabling

Perfect

I must have fabled
you must have fabled
he must have fabled
we must have fabled
you must have fabled
they must have fabled

V-ing perfect

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

Negation

Simple form

I mustn't fable
you mustn't fable
he mustn't fable
we mustn't fable
you mustn't fable
they mustn't fable

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I fable?
must you fable?
must he fable?
must we fable?
must you fable?
must they fable?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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