English verb conjugation MUST DOWN

Regular verb: down - downed - downed

Affirmation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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