Conjugaison du verbe anglais
COULD BILLBOARD

Verbe régulier : billboard - billboarded - billboarded

Affirmation

Forme simple	Forme en V-ing
I could billboard you could billboard he could billboard we could billboard you could billboard they could billboard	I could be billboarding you could be billboarding he could be billboarding we could be billboarding you could be billboarding they could be billboarding
Perfect	Perfect en V-ing
I could have billboarded you could have billboarded he could have billboarded we could have billboarded you could have billboarded they could have billboarded	I could have been billboarding you could have been billboarding he could have been billboarding we could have been billboarding you could have been billboarding they could have been billboarding

Négation

Forme simple	Forme en V-ing
I could not billboard you could not billboard he could not billboard we could not billboard you could not billboard they could not billboard	I could not be billboarding you could not be billboarding he could not be billboarding we could not be billboarding you could not be billboarding they could not be billboarding
Perfect	Perfect en V-ing
I could not have billboarded you could not have billboarded he could not have billboarded we could not have billboarded you could not have billboarded they could not have billboarded	I could not have been billboarding you could not have been billboarding he could not have been billboarding we could not have been billboarding you could not have been billboarding they could not have been billboarding

Forme interrogative

Forme simple	Forme en V-ing
could I billboard? could you billboard? could he billboard? could we billboard? could you billboard? could they billboard?	could I be billboarding? could you be billboarding? could he be billboarding? could we be billboarding? could you be billboarding? could they be billboarding?
Perfect	Perfect en V-ing
could I have billboarded? could you have billboarded? could he have billboarded? could we have billboarded? could you have billboarded? could they have billboarded?	could I have been billboarding? could you have been billboarding? could he have been billboarding? could we have been billboarding? could you have been billboarding? could they have been billboarding?

Forme interro-négative

Forme simple	Forme en V-ing
could I not billboard? could you not billboard? could he not billboard? could we not billboard? could you not billboard? could they not billboard?	could I not be billboarding? could you not be billboarding? could he not be billboarding? could we not be billboarding? could you not be billboarding? could they not be billboarding?
Perfect	Perfect en V-ing
could I not have billboarded? could you not have billboarded? could he not have billboarded? could we not have billboarded? could you not have billboarded? could they not have billboarded?	could I not have been billboarding? could you not have been billboarding? could he not have been billboarding? could we not have been billboarding? could you not have been billboarding? could they not have been billboarding?