Conjugaison du verbe anglais
COULD DUET

Verbe régulier : duet - dueted - dueted

Affirmation

Forme simple	Forme en V-ing
I could duet you could duet she could duet we could duet you could duet they could duet	I could be dueting you could be dueting she could be dueting we could be dueting you could be dueting they could be dueting
Perfect	Perfect en V-ing
I could have dueted you could have dueted she could have dueted we could have dueted you could have dueted they could have dueted	I could have been dueting you could have been dueting she could have been dueting we could have been dueting you could have been dueting they could have been dueting

Négation

Forme simple	Forme en V-ing
I couldn't duet you couldn't duet she couldn't duet we couldn't duet you couldn't duet they couldn't duet	I couldn't be dueting you couldn't be dueting she couldn't be dueting we couldn't be dueting you couldn't be dueting they couldn't be dueting
Perfect	Perfect en V-ing
I couldn't have dueted you couldn't have dueted she couldn't have dueted we couldn't have dueted you couldn't have dueted they couldn't have dueted	I couldn't have been dueting you couldn't have been dueting she couldn't have been dueting we couldn't have been dueting you couldn't have been dueting they couldn't have been dueting

Forme interrogative

Forme simple	Forme en V-ing
could I duet? could you duet? could she duet? could we duet? could you duet? could they duet?	could I be dueting? could you be dueting? could she be dueting? could we be dueting? could you be dueting? could they be dueting?
Perfect	Perfect en V-ing
could I have dueted? could you have dueted? could she have dueted? could we have dueted? could you have dueted? could they have dueted?	could I have been dueting? could you have been dueting? could she have been dueting? could we have been dueting? could you have been dueting? could they have been dueting?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I duet? couldn't you duet? couldn't she duet? couldn't we duet? couldn't you duet? couldn't they duet?	couldn't I be dueting? couldn't you be dueting? couldn't she be dueting? couldn't we be dueting? couldn't you be dueting? couldn't they be dueting?
Perfect	Perfect en V-ing
couldn't I have dueted? couldn't you have dueted? couldn't she have dueted? couldn't we have dueted? couldn't you have dueted? couldn't they have dueted?	couldn't I have been dueting? couldn't you have been dueting? couldn't she have been dueting? couldn't we have been dueting? couldn't you have been dueting? couldn't they have been dueting?