English verb conjugation MUST PERFORM

Regular verb: perform - performed - performed


Affirmation

Simple form

I must perform
you must perform
he must perform
we must perform
you must perform
they must perform

V-ing form

I must be performing
you must be performing
he must be performing
we must be performing
you must be performing
they must be performing

Perfect

I must have performed
you must have performed
he 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
he must have been performing
we must have been performing
you must have been performing
they must have been performing

Negation

Simple form

I must not perform
you must not perform
he must not perform
we must not perform
you must not perform
they must not perform

V-ing form

I must not be performing
you must not be performing
he must not be performing
we must not be performing
you must not be performing
they must not be performing

Perfect

I must not have performed
you must not have performed
he must not have performed
we must not have performed
you must not have performed
they must not have performed

V-ing perfect

I must not have been performing
you must not have been performing
he must not have been performing
we must not have been performing
you must not have been performing
they must not have been performing

Interrogative form

Simple form

must I perform?
must you perform?
must he perform?
must we perform?
must you perform?
must they perform?

V-ing form

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

Perfect

must I have performed?
must you have performed?
must he 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 he have been performing?
must we have been performing?
must you have been performing?
must they have been performing?

Interro-negative form

Simple form

must I not perform?
must you not perform?
must he not perform?
must we not perform?
must you not perform?
must they not perform?

V-ing form

must I not be performing?
must you not be performing?
must he not be performing?
must we not be performing?
must you not be performing?
must they not be performing?

Perfect

must I not have performed?
must you not have performed?
must he not have performed?
must we not have performed?
must you not have performed?
must they not have performed?

V-ing perfect

must I not have been performing?
must you not have been performing?
must he not have been performing?
must we not have been performing?
must you not have been performing?
must they not have been performing?