English verb conjugation COULD DUEL

Regular verb: duel - dueled - dueled

Affirmation

Simple form

I could duel
you could duel
he could duel
we could duel
you could duel
they could duel

V-ing form

I could be dueling
you could be dueling
he could be dueling
we could be dueling
you could be dueling
they could be dueling

Perfect

I could have dueled
you could have dueled
he could have dueled
we could have dueled
you could have dueled
they could have dueled

V-ing perfect

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

Negation

Simple form

I could not duel
you could not duel
he could not duel
we could not duel
you could not duel
they could not duel

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I duel?
could you duel?
could he duel?
could we duel?
could you duel?
could they duel?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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