English verb conjugation COULD STUMP

Regular verb: stump - stumped - stumped

Affirmation

Simple form

I could stump
you could stump
he could stump
we could stump
you could stump
they could stump

V-ing form

I could be stumping
you could be stumping
he could be stumping
we could be stumping
you could be stumping
they could be stumping

Perfect

I could have stumped
you could have stumped
he could have stumped
we could have stumped
you could have stumped
they could have stumped

V-ing perfect

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

Negation

Simple form

I could not stump
you could not stump
he could not stump
we could not stump
you could not stump
they could not stump

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stump?
could you stump?
could he stump?
could we stump?
could you stump?
could they stump?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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