English verb conjugation MUST STEAM

Regular verb: steam - steamed - steamed

Affirmation

Simple form

I must steam
you must steam
he must steam
we must steam
you must steam
they must steam

V-ing form

I must be steaming
you must be steaming
he must be steaming
we must be steaming
you must be steaming
they must be steaming

Perfect

I must have steamed
you must have steamed
he must have steamed
we must have steamed
you must have steamed
they must have steamed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I steam?
must you steam?
must he steam?
must we steam?
must you steam?
must they steam?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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