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 couldn't duel
you couldn't duel
he couldn't duel
we couldn't duel
you couldn't duel
they couldn't duel

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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