English verb conjugation MUST REFASTEN

Regular verb: refasten - refastened - refastened

Affirmation

Simple form

I must refasten
you must refasten
he must refasten
we must refasten
you must refasten
they must refasten

V-ing form

I must be refastening
you must be refastening
he must be refastening
we must be refastening
you must be refastening
they must be refastening

Perfect

I must have refastened
you must have refastened
he must have refastened
we must have refastened
you must have refastened
they must have refastened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I refasten?
must you refasten?
must he refasten?
must we refasten?
must you refasten?
must they refasten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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