English verb conjugation MUST PERCEIVE

Regular verb: perceive - perceived - perceived

Affirmation

Simple form

I must perceive
you must perceive
he must perceive
we must perceive
you must perceive
they must perceive

V-ing form

I must be perceiving
you must be perceiving
he must be perceiving
we must be perceiving
you must be perceiving
they must be perceiving

Perfect

I must have perceived
you must have perceived
he must have perceived
we must have perceived
you must have perceived
they must have perceived

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I perceive?
must you perceive?
must he perceive?
must we perceive?
must you perceive?
must they perceive?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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