English verb conjugation MUST FROGMARCH

Regular verb: frogmarch - frogmarched - frogmarched

Affirmation

Simple form

I must frogmarch
you must frogmarch
he must frogmarch
we must frogmarch
you must frogmarch
they must frogmarch

V-ing form

I must be frogmarching
you must be frogmarching
he must be frogmarching
we must be frogmarching
you must be frogmarching
they must be frogmarching

Perfect

I must have frogmarched
you must have frogmarched
he must have frogmarched
we must have frogmarched
you must have frogmarched
they must have frogmarched

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I frogmarch?
must you frogmarch?
must he frogmarch?
must we frogmarch?
must you frogmarch?
must they frogmarch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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