English verb conjugation COULD BUTTONHOLE

Regular verb: buttonhole - buttonholed - buttonholed

Affirmation

Simple form

I could buttonhole
you could buttonhole
he could buttonhole
we could buttonhole
you could buttonhole
they could buttonhole

V-ing form

I could be buttonholing
you could be buttonholing
he could be buttonholing
we could be buttonholing
you could be buttonholing
they could be buttonholing

Perfect

I could have buttonholed
you could have buttonholed
he could have buttonholed
we could have buttonholed
you could have buttonholed
they could have buttonholed

V-ing perfect

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

Negation

Simple form

I could not buttonhole
you could not buttonhole
he could not buttonhole
we could not buttonhole
you could not buttonhole
they could not buttonhole

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I buttonhole?
could you buttonhole?
could he buttonhole?
could we buttonhole?
could you buttonhole?
could they buttonhole?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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