English verb conjugation MUST FURROW

Regular verb: furrow - furrowed - furrowed

Affirmation

Simple form

I must furrow
you must furrow
he must furrow
we must furrow
you must furrow
they must furrow

V-ing form

I must be furrowing
you must be furrowing
he must be furrowing
we must be furrowing
you must be furrowing
they must be furrowing

Perfect

I must have furrowed
you must have furrowed
he must have furrowed
we must have furrowed
you must have furrowed
they must have furrowed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I furrow?
must you furrow?
must he furrow?
must we furrow?
must you furrow?
must they furrow?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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