English verb conjugation MUST BARN

Regular verb: barn - barned - barned

Affirmation

Simple form

I must barn
you must barn
she must barn
we must barn
you must barn
they must barn

V-ing form

I must be barning
you must be barning
she must be barning
we must be barning
you must be barning
they must be barning

Perfect

I must have barned
you must have barned
she must have barned
we must have barned
you must have barned
they must have barned

V-ing perfect

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

Negation

Simple form

I mustn't barn
you mustn't barn
she mustn't barn
we mustn't barn
you mustn't barn
they mustn't barn

V-ing form

I mustn't be barning
you mustn't be barning
she mustn't be barning
we mustn't be barning
you mustn't be barning
they mustn't be barning

Perfect

I mustn't have barned
you mustn't have barned
she mustn't have barned
we mustn't have barned
you mustn't have barned
they mustn't have barned

V-ing perfect

I mustn't have been barning
you mustn't have been barning
she mustn't have been barning
we mustn't have been barning
you mustn't have been barning
they mustn't have been barning

Interrogative form

Simple form

must I barn?
must you barn?
must she barn?
must we barn?
must you barn?
must they barn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

mustn't I barn?
mustn't you barn?
mustn't she barn?
mustn't we barn?
mustn't you barn?
mustn't they barn?

V-ing form

mustn't I be barning?
mustn't you be barning?
mustn't she be barning?
mustn't we be barning?
mustn't you be barning?
mustn't they be barning?

Perfect

mustn't I have barned?
mustn't you have barned?
mustn't she have barned?
mustn't we have barned?
mustn't you have barned?
mustn't they have barned?

V-ing perfect

mustn't I have been barning?
mustn't you have been barning?
mustn't she have been barning?
mustn't we have been barning?
mustn't you have been barning?
mustn't they have been barning?

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