English verb conjugation MUST CONFIRM

Regular verb: confirm - confirmed - confirmed

Affirmation

Simple form

I must confirm
you must confirm
he must confirm
we must confirm
you must confirm
they must confirm

V-ing form

I must be confirming
you must be confirming
he must be confirming
we must be confirming
you must be confirming
they must be confirming

Perfect

I must have confirmed
you must have confirmed
he must have confirmed
we must have confirmed
you must have confirmed
they must have confirmed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I confirm?
must you confirm?
must he confirm?
must we confirm?
must you confirm?
must they confirm?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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