English verb conjugation MUST GO DOWN

Regular verb: go down - go downed - go downed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I must go down
you must go down
he must go down
we must go down
you must go down
they must go down

V-ing form

I must be go downing
you must be go downing
he must be go downing
we must be go downing
you must be go downing
they must be go downing

Perfect

I must have go downed
you must have go downed
he must have go downed
we must have go downed
you must have go downed
they must have go downed

V-ing perfect

I must have been go downing
you must have been go downing
he must have been go downing
we must have been go downing
you must have been go downing
they must have been go downing

Negation

Simple form

I mustn't go down
you mustn't go down
he mustn't go down
we mustn't go down
you mustn't go down
they mustn't go down

V-ing form

I mustn't be go downing
you mustn't be go downing
he mustn't be go downing
we mustn't be go downing
you mustn't be go downing
they mustn't be go downing

Perfect

I mustn't have go downed
you mustn't have go downed
he mustn't have go downed
we mustn't have go downed
you mustn't have go downed
they mustn't have go downed

V-ing perfect

I mustn't have been go downing
you mustn't have been go downing
he mustn't have been go downing
we mustn't have been go downing
you mustn't have been go downing
they mustn't have been go downing

Interrogative form

Simple form

must I go down?
must you go down?
must he go down?
must we go down?
must you go down?
must they go down?

V-ing form

must I be go downing?
must you be go downing?
must he be go downing?
must we be go downing?
must you be go downing?
must they be go downing?

Perfect

must I have go downed?
must you have go downed?
must he have go downed?
must we have go downed?
must you have go downed?
must they have go downed?

V-ing perfect

must I have been go downing?
must you have been go downing?
must he have been go downing?
must we have been go downing?
must you have been go downing?
must they have been go downing?

Interro-negative form

Simple form

mustn't I go down?
mustn't you go down?
mustn't he go down?
mustn't we go down?
mustn't you go down?
mustn't they go down?

V-ing form

mustn't I be go downing?
mustn't you be go downing?
mustn't he be go downing?
mustn't we be go downing?
mustn't you be go downing?
mustn't they be go downing?

Perfect

mustn't I have go downed?
mustn't you have go downed?
mustn't he have go downed?
mustn't we have go downed?
mustn't you have go downed?
mustn't they have go downed?

V-ing perfect

mustn't I have been go downing?
mustn't you have been go downing?
mustn't he have been go downing?
mustn't we have been go downing?
mustn't you have been go downing?
mustn't they have been go downing?

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