female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST FORFEIT
Regular verb: forfeit - forfeited - forfeited
Affirmation
Simple form
I must forfeityou must forfeit
he must forfeit
we must forfeit
you must forfeit
they must forfeit
V-ing form
I must be forfeitingyou must be forfeiting
he must be forfeiting
we must be forfeiting
you must be forfeiting
they must be forfeiting
Perfect
I must have forfeitedyou must have forfeited
he must have forfeited
we must have forfeited
you must have forfeited
they must have forfeited
V-ing perfect
I must have been forfeitingyou must have been forfeiting
he 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 forfeityou mustn't forfeit
he mustn't forfeit
we mustn't forfeit
you mustn't forfeit
they mustn't forfeit
V-ing form
I mustn't be forfeitingyou mustn't be forfeiting
he mustn't be forfeiting
we mustn't be forfeiting
you mustn't be forfeiting
they mustn't be forfeiting
Perfect
I mustn't have forfeitedyou mustn't have forfeited
he 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 forfeitingyou mustn't have been forfeiting
he 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 he forfeit?
must we forfeit?
must you forfeit?
must they forfeit?
V-ing form
must I be forfeiting?must you be forfeiting?
must he be forfeiting?
must we be forfeiting?
must you be forfeiting?
must they be forfeiting?
Perfect
must I have forfeited?must you have forfeited?
must he 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 he 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 he 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 he 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 he 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 he have been forfeiting?
mustn't we have been forfeiting?
mustn't you have been forfeiting?
mustn't they have been forfeiting?