English verb conjugation MUST ERUPT

Regular verb: erupt - erupted - erupted

Affirmation

Simple form

I must erupt
you must erupt
he must erupt
we must erupt
you must erupt
they must erupt

V-ing form

I must be erupting
you must be erupting
he must be erupting
we must be erupting
you must be erupting
they must be erupting

Perfect

I must have erupted
you must have erupted
he must have erupted
we must have erupted
you must have erupted
they must have erupted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I erupt?
must you erupt?
must he erupt?
must we erupt?
must you erupt?
must they erupt?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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