female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST BELIEVE
Regular verb: believe - believed - believed
Affirmation
Simple form
I must believeyou must believe
he must believe
we must believe
you must believe
they must believe
V-ing form
I must be believingyou must be believing
he must be believing
we must be believing
you must be believing
they must be believing
Perfect
I must have believedyou must have believed
he must have believed
we must have believed
you must have believed
they must have believed
V-ing perfect
I must have been believingyou must have been believing
he must have been believing
we must have been believing
you must have been believing
they must have been believing
Negation
Simple form
I mustn't believeyou mustn't believe
he mustn't believe
we mustn't believe
you mustn't believe
they mustn't believe
V-ing form
I mustn't be believingyou mustn't be believing
he mustn't be believing
we mustn't be believing
you mustn't be believing
they mustn't be believing
Perfect
I mustn't have believedyou mustn't have believed
he mustn't have believed
we mustn't have believed
you mustn't have believed
they mustn't have believed
V-ing perfect
I mustn't have been believingyou mustn't have been believing
he mustn't have been believing
we mustn't have been believing
you mustn't have been believing
they mustn't have been believing
Interrogative form
Simple form
must I believe?must you believe?
must he believe?
must we believe?
must you believe?
must they believe?
V-ing form
must I be believing?must you be believing?
must he be believing?
must we be believing?
must you be believing?
must they be believing?
Perfect
must I have believed?must you have believed?
must he have believed?
must we have believed?
must you have believed?
must they have believed?
V-ing perfect
must I have been believing?must you have been believing?
must he have been believing?
must we have been believing?
must you have been believing?
must they have been believing?
Interro-negative form
Simple form
mustn't I believe?mustn't you believe?
mustn't he believe?
mustn't we believe?
mustn't you believe?
mustn't they believe?
V-ing form
mustn't I be believing?mustn't you be believing?
mustn't he be believing?
mustn't we be believing?
mustn't you be believing?
mustn't they be believing?
Perfect
mustn't I have believed?mustn't you have believed?
mustn't he have believed?
mustn't we have believed?
mustn't you have believed?
mustn't they have believed?
V-ing perfect
mustn't I have been believing?mustn't you have been believing?
mustn't he have been believing?
mustn't we have been believing?
mustn't you have been believing?
mustn't they have been believing?