English verb conjugation MUST PERCUSS

Regular verb: percuss - percussed - percussed

Affirmation

Simple form

I must percuss
you must percuss
he must percuss
we must percuss
you must percuss
they must percuss

V-ing form

I must be percussing
you must be percussing
he must be percussing
we must be percussing
you must be percussing
they must be percussing

Perfect

I must have percussed
you must have percussed
he must have percussed
we must have percussed
you must have percussed
they must have percussed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I percuss?
must you percuss?
must he percuss?
must we percuss?
must you percuss?
must they percuss?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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