English verb conjugation COULD KEYPUNCH

Regular verb: keypunch - keypunched - keypunched

Affirmation

Simple form

I could keypunch
you could keypunch
he could keypunch
we could keypunch
you could keypunch
they could keypunch

V-ing form

I could be keypunching
you could be keypunching
he could be keypunching
we could be keypunching
you could be keypunching
they could be keypunching

Perfect

I could have keypunched
you could have keypunched
he could have keypunched
we could have keypunched
you could have keypunched
they could have keypunched

V-ing perfect

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

Negation

Simple form

I couldn't keypunch
you couldn't keypunch
he couldn't keypunch
we couldn't keypunch
you couldn't keypunch
they couldn't keypunch

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I keypunch?
could you keypunch?
could he keypunch?
could we keypunch?
could you keypunch?
could they keypunch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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