English verb conjugation MUST FLASH

Regular verb: flash - flashed - flashed

Affirmation

Simple form

I must flash
you must flash
he must flash
we must flash
you must flash
they must flash

V-ing form

I must be flashing
you must be flashing
he must be flashing
we must be flashing
you must be flashing
they must be flashing

Perfect

I must have flashed
you must have flashed
he must have flashed
we must have flashed
you must have flashed
they must have flashed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I flash?
must you flash?
must he flash?
must we flash?
must you flash?
must they flash?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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