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 must not buttonhole
you must not buttonhole
he must not buttonhole
we must not buttonhole
you must not buttonhole
they must not buttonhole

V-ing form

I must not be buttonholing
you must not be buttonholing
he must not be buttonholing
we must not be buttonholing
you must not be buttonholing
they must not be buttonholing

Perfect

I must not have buttonholed
you must not have buttonholed
he must not have buttonholed
we must not have buttonholed
you must not have buttonholed
they must not have buttonholed

V-ing perfect

I must not have been buttonholing
you must not have been buttonholing
he must not have been buttonholing
we must not have been buttonholing
you must not have been buttonholing
they must not 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

must I not buttonhole?
must you not buttonhole?
must he not buttonhole?
must we not buttonhole?
must you not buttonhole?
must they not buttonhole?

V-ing form

must I not be buttonholing?
must you not be buttonholing?
must he not be buttonholing?
must we not be buttonholing?
must you not be buttonholing?
must they not be buttonholing?

Perfect

must I not have buttonholed?
must you not have buttonholed?
must he not have buttonholed?
must we not have buttonholed?
must you not have buttonholed?
must they not have buttonholed?

V-ing perfect

must I not have been buttonholing?
must you not have been buttonholing?
must he not have been buttonholing?
must we not have been buttonholing?
must you not have been buttonholing?
must they not have been buttonholing?

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