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 must not furrow
you must not furrow
he must not furrow
we must not furrow
you must not furrow
they must not furrow

V-ing form

I must not be furrowing
you must not be furrowing
he must not be furrowing
we must not be furrowing
you must not be furrowing
they must not be furrowing

Perfect

I must not have furrowed
you must not have furrowed
he must not have furrowed
we must not have furrowed
you must not have furrowed
they must not have furrowed

V-ing perfect

I must not have been furrowing
you must not have been furrowing
he must not have been furrowing
we must not have been furrowing
you must not have been furrowing
they must not 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

must I not furrow?
must you not furrow?
must he not furrow?
must we not furrow?
must you not furrow?
must they not furrow?

V-ing form

must I not be furrowing?
must you not be furrowing?
must he not be furrowing?
must we not be furrowing?
must you not be furrowing?
must they not be furrowing?

Perfect

must I not have furrowed?
must you not have furrowed?
must he not have furrowed?
must we not have furrowed?
must you not have furrowed?
must they not have furrowed?

V-ing perfect

must I not have been furrowing?
must you not have been furrowing?
must he not have been furrowing?
must we not have been furrowing?
must you not have been furrowing?
must they not have been furrowing?

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