Conjugaison du verbe anglais
COULD CONCAVE

Verbe régulier : concave - concaved - concaved

Affirmation

Forme simple	Forme en V-ing
I could concave you could concave he could concave we could concave you could concave they could concave	I could be concaving you could be concaving he could be concaving we could be concaving you could be concaving they could be concaving
Perfect	Perfect en V-ing
I could have concaved you could have concaved he could have concaved we could have concaved you could have concaved they could have concaved	I could have been concaving you could have been concaving he could have been concaving we could have been concaving you could have been concaving they could have been concaving

Négation

Forme simple	Forme en V-ing
I could not concave you could not concave he could not concave we could not concave you could not concave they could not concave	I could not be concaving you could not be concaving he could not be concaving we could not be concaving you could not be concaving they could not be concaving
Perfect	Perfect en V-ing
I could not have concaved you could not have concaved he could not have concaved we could not have concaved you could not have concaved they could not have concaved	I could not have been concaving you could not have been concaving he could not have been concaving we could not have been concaving you could not have been concaving they could not have been concaving

Forme interrogative

Forme simple	Forme en V-ing
could I concave? could you concave? could he concave? could we concave? could you concave? could they concave?	could I be concaving? could you be concaving? could he be concaving? could we be concaving? could you be concaving? could they be concaving?
Perfect	Perfect en V-ing
could I have concaved? could you have concaved? could he have concaved? could we have concaved? could you have concaved? could they have concaved?	could I have been concaving? could you have been concaving? could he have been concaving? could we have been concaving? could you have been concaving? could they have been concaving?

Forme interro-négative

Forme simple	Forme en V-ing
could I not concave? could you not concave? could he not concave? could we not concave? could you not concave? could they not concave?	could I not be concaving? could you not be concaving? could he not be concaving? could we not be concaving? could you not be concaving? could they not be concaving?
Perfect	Perfect en V-ing
could I not have concaved? could you not have concaved? could he not have concaved? could we not have concaved? could you not have concaved? could they not have concaved?	could I not have been concaving? could you not have been concaving? could he not have been concaving? could we not have been concaving? could you not have been concaving? could they not have been concaving?