English verb conjugation MUST FORFEIT

Regular verb: forfeit - forfeited - forfeited

Affirmation

Simple form

I must forfeit
you must forfeit
she must forfeit
we must forfeit
you must forfeit
they must forfeit

V-ing form

I must be forfeiting
you must be forfeiting
she must be forfeiting
we must be forfeiting
you must be forfeiting
they must be forfeiting

Perfect

I must have forfeited
you must have forfeited
she must have forfeited
we must have forfeited
you must have forfeited
they must have forfeited

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I forfeit?
must you forfeit?
must she forfeit?
must we forfeit?
must you forfeit?
must they forfeit?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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