English verb conjugation MUST BELIEVE

Regular verb: believe - believed - believed

Affirmation

Simple form

I must believe
you must believe
he must believe
we must believe
you must believe
they must believe

V-ing form

I must be believing
you must be believing
he must be believing
we must be believing
you must be believing
they must be believing

Perfect

I must have believed
you 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 believing
you 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 believe
you 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 believing
you 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 believed
you 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 believing
you 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?

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