English verb conjugation MUST REFASTEN

Regular verb: refasten - refastened - refastened

Affirmation

Simple form

I must refasten
you must refasten
she must refasten
we must refasten
you must refasten
they must refasten

V-ing form

I must be refastening
you must be refastening
she must be refastening
we must be refastening
you must be refastening
they must be refastening

Perfect

I must have refastened
you must have refastened
she 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
she 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
she 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
she 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
she 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
she 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 she refasten?
must we refasten?
must you refasten?
must they refasten?

V-ing form

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

Perfect

must I have refastened?
must you have refastened?
must she 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 she 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 she 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 she 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 she 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 she 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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