English verb conjugation MUST HUFF

Regular verb: huff - huffed - huffed

Affirmation

Simple form

I must huff
you must huff
she must huff
we must huff
you must huff
they must huff

V-ing form

I must be huffing
you must be huffing
she must be huffing
we must be huffing
you must be huffing
they must be huffing

Perfect

I must have huffed
you must have huffed
she must have huffed
we must have huffed
you must have huffed
they must have huffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I huff?
must you huff?
must she huff?
must we huff?
must you huff?
must they huff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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