English verb conjugation MUST SORROW

Regular verb: sorrow - sorrowed - sorrowed

Affirmation

Simple form

I must sorrow
you must sorrow
he must sorrow
we must sorrow
you must sorrow
they must sorrow

V-ing form

I must be sorrowing
you must be sorrowing
he must be sorrowing
we must be sorrowing
you must be sorrowing
they must be sorrowing

Perfect

I must have sorrowed
you must have sorrowed
he must have sorrowed
we must have sorrowed
you must have sorrowed
they must have sorrowed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sorrow?
must you sorrow?
must he sorrow?
must we sorrow?
must you sorrow?
must they sorrow?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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