English verb conjugation MUST BUTTONHOLE

Regular verb: buttonhole - buttonholed - buttonholed

Affirmation

Simple form

I must buttonhole
you must buttonhole
he must buttonhole
we must buttonhole
you must buttonhole
they must buttonhole

V-ing form

I must be buttonholing
you must be buttonholing
he must be buttonholing
we must be buttonholing
you must be buttonholing
they must be buttonholing

Perfect

I must have buttonholed
you must have buttonholed
he must have buttonholed
we must have buttonholed
you must have buttonholed
they must have buttonholed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I buttonhole?
must you buttonhole?
must he buttonhole?
must we buttonhole?
must you buttonhole?
must they buttonhole?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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