English verb conjugation MUST CUFF

Regular verb: cuff - cuffed - cuffed

Affirmation

Simple form

I must cuff
you must cuff
she must cuff
we must cuff
you must cuff
they must cuff

V-ing form

I must be cuffing
you must be cuffing
she must be cuffing
we must be cuffing
you must be cuffing
they must be cuffing

Perfect

I must have cuffed
you must have cuffed
she must have cuffed
we must have cuffed
you must have cuffed
they must have cuffed

V-ing perfect

I must have been cuffing
you must have been cuffing
she must have been cuffing
we must have been cuffing
you must have been cuffing
they must have been cuffing

Negation

Simple form

I mustn't cuff
you mustn't cuff
she mustn't cuff
we mustn't cuff
you mustn't cuff
they mustn't cuff

V-ing form

I mustn't be cuffing
you mustn't be cuffing
she mustn't be cuffing
we mustn't be cuffing
you mustn't be cuffing
they mustn't be cuffing

Perfect

I mustn't have cuffed
you mustn't have cuffed
she mustn't have cuffed
we mustn't have cuffed
you mustn't have cuffed
they mustn't have cuffed

V-ing perfect

I mustn't have been cuffing
you mustn't have been cuffing
she mustn't have been cuffing
we mustn't have been cuffing
you mustn't have been cuffing
they mustn't have been cuffing

Interrogative form

Simple form

must I cuff?
must you cuff?
must she cuff?
must we cuff?
must you cuff?
must they cuff?

V-ing form

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

Perfect

must I have cuffed?
must you have cuffed?
must she have cuffed?
must we have cuffed?
must you have cuffed?
must they have cuffed?

V-ing perfect

must I have been cuffing?
must you have been cuffing?
must she have been cuffing?
must we have been cuffing?
must you have been cuffing?
must they have been cuffing?

Interro-negative form

Simple form

mustn't I cuff?
mustn't you cuff?
mustn't she cuff?
mustn't we cuff?
mustn't you cuff?
mustn't they cuff?

V-ing form

mustn't I be cuffing?
mustn't you be cuffing?
mustn't she be cuffing?
mustn't we be cuffing?
mustn't you be cuffing?
mustn't they be cuffing?

Perfect

mustn't I have cuffed?
mustn't you have cuffed?
mustn't she have cuffed?
mustn't we have cuffed?
mustn't you have cuffed?
mustn't they have cuffed?

V-ing perfect

mustn't I have been cuffing?
mustn't you have been cuffing?
mustn't she have been cuffing?
mustn't we have been cuffing?
mustn't you have been cuffing?
mustn't they have been cuffing?

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