English verb conjugation COULD DUET

Regular verb: duet - dueted - dueted

Affirmation

Simple form

I could duet
you could duet
he could duet
we could duet
you could duet
they could duet

V-ing form

I could be dueting
you could be dueting
he could be dueting
we could be dueting
you could be dueting
they could be dueting

Perfect

I could have dueted
you could have dueted
he could have dueted
we could have dueted
you could have dueted
they could have dueted

V-ing perfect

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

Negation

Simple form

I could not duet
you could not duet
he could not duet
we could not duet
you could not duet
they could not duet

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I duet?
could you duet?
could he duet?
could we duet?
could you duet?
could they duet?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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