English verb conjugation MUST HELM

Regular verb: helm - helmed - helmed

Affirmation

Simple form

I must helm
you must helm
he must helm
we must helm
you must helm
they must helm

V-ing form

I must be helming
you must be helming
he must be helming
we must be helming
you must be helming
they must be helming

Perfect

I must have helmed
you must have helmed
he must have helmed
we must have helmed
you must have helmed
they must have helmed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I helm?
must you helm?
must he helm?
must we helm?
must you helm?
must they helm?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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