English verb conjugation MUST FAFF

Regular verb: faff - faffed - faffed

Affirmation

Simple form

I must faff
you must faff
he must faff
we must faff
you must faff
they must faff

V-ing form

I must be faffing
you must be faffing
he must be faffing
we must be faffing
you must be faffing
they must be faffing

Perfect

I must have faffed
you must have faffed
he must have faffed
we must have faffed
you must have faffed
they must have faffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I faff?
must you faff?
must he faff?
must we faff?
must you faff?
must they faff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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