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 couldn't buttonhole
you couldn't buttonhole
he couldn't buttonhole
we couldn't buttonhole
you couldn't buttonhole
they couldn't buttonhole

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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