English verb conjugation MUST REFUTE

Regular verb: refute - refuted - refuted

Affirmation

Simple form

I must refute
you must refute
he must refute
we must refute
you must refute
they must refute

V-ing form

I must be refuting
you must be refuting
he must be refuting
we must be refuting
you must be refuting
they must be refuting

Perfect

I must have refuted
you must have refuted
he must have refuted
we must have refuted
you must have refuted
they must have refuted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I refute?
must you refute?
must he refute?
must we refute?
must you refute?
must they refute?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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