English verb conjugation MUST PERFORM

Regular verb: perform - performed - performed

Affirmation

Simple form

I must perform
you must perform
she must perform
we must perform
you must perform
they must perform

V-ing form

I must be performing
you must be performing
she must be performing
we must be performing
you must be performing
they must be performing

Perfect

I must have performed
you must have performed
she must have performed
we must have performed
you must have performed
they must have performed

V-ing perfect

I must have been performing
you must have been performing
she must have been performing
we must have been performing
you must have been performing
they must have been performing

Negation

Simple form

I mustn't perform
you mustn't perform
she mustn't perform
we mustn't perform
you mustn't perform
they mustn't perform

V-ing form

I mustn't be performing
you mustn't be performing
she mustn't be performing
we mustn't be performing
you mustn't be performing
they mustn't be performing

Perfect

I mustn't have performed
you mustn't have performed
she mustn't have performed
we mustn't have performed
you mustn't have performed
they mustn't have performed

V-ing perfect

I mustn't have been performing
you mustn't have been performing
she mustn't have been performing
we mustn't have been performing
you mustn't have been performing
they mustn't have been performing

Interrogative form

Simple form

must I perform?
must you perform?
must she perform?
must we perform?
must you perform?
must they perform?

V-ing form

must I be performing?
must you be performing?
must she be performing?
must we be performing?
must you be performing?
must they be performing?

Perfect

must I have performed?
must you have performed?
must she have performed?
must we have performed?
must you have performed?
must they have performed?

V-ing perfect

must I have been performing?
must you have been performing?
must she have been performing?
must we have been performing?
must you have been performing?
must they have been performing?

Interro-negative form

Simple form

mustn't I perform?
mustn't you perform?
mustn't she perform?
mustn't we perform?
mustn't you perform?
mustn't they perform?

V-ing form

mustn't I be performing?
mustn't you be performing?
mustn't she be performing?
mustn't we be performing?
mustn't you be performing?
mustn't they be performing?

Perfect

mustn't I have performed?
mustn't you have performed?
mustn't she have performed?
mustn't we have performed?
mustn't you have performed?
mustn't they have performed?

V-ing perfect

mustn't I have been performing?
mustn't you have been performing?
mustn't she have been performing?
mustn't we have been performing?
mustn't you have been performing?
mustn't they have been performing?

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