English verb conjugation COULD KITTEN

Regular verb: kitten - kittened - kittened

Affirmation

Simple form

I could kitten
you could kitten
he could kitten
we could kitten
you could kitten
they could kitten

V-ing form

I could be kittening
you could be kittening
he could be kittening
we could be kittening
you could be kittening
they could be kittening

Perfect

I could have kittened
you could have kittened
he could have kittened
we could have kittened
you could have kittened
they could have kittened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I kitten?
could you kitten?
could he kitten?
could we kitten?
could you kitten?
could they kitten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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