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 couldn't duet
you couldn't duet
he couldn't duet
we couldn't duet
you couldn't duet
they couldn't duet

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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