Conjugaison du verbe anglais
COULD GRAVE

Verbe régulier : grave - graved - graved

Affirmation

Forme simple	Forme en V-ing
I could grave you could grave he could grave we could grave you could grave they could grave	I could be graving you could be graving he could be graving we could be graving you could be graving they could be graving
Perfect	Perfect en V-ing
I could have graved you could have graved he could have graved we could have graved you could have graved they could have graved	I could have been graving you could have been graving he could have been graving we could have been graving you could have been graving they could have been graving

Négation

Forme simple	Forme en V-ing
I could not grave you could not grave he could not grave we could not grave you could not grave they could not grave	I could not be graving you could not be graving he could not be graving we could not be graving you could not be graving they could not be graving
Perfect	Perfect en V-ing
I could not have graved you could not have graved he could not have graved we could not have graved you could not have graved they could not have graved	I could not have been graving you could not have been graving he could not have been graving we could not have been graving you could not have been graving they could not have been graving

Forme interrogative

Forme simple	Forme en V-ing
could I grave? could you grave? could he grave? could we grave? could you grave? could they grave?	could I be graving? could you be graving? could he be graving? could we be graving? could you be graving? could they be graving?
Perfect	Perfect en V-ing
could I have graved? could you have graved? could he have graved? could we have graved? could you have graved? could they have graved?	could I have been graving? could you have been graving? could he have been graving? could we have been graving? could you have been graving? could they have been graving?

Forme interro-négative

Forme simple	Forme en V-ing
could I not grave? could you not grave? could he not grave? could we not grave? could you not grave? could they not grave?	could I not be graving? could you not be graving? could he not be graving? could we not be graving? could you not be graving? could they not be graving?
Perfect	Perfect en V-ing
could I not have graved? could you not have graved? could he not have graved? could we not have graved? could you not have graved? could they not have graved?	could I not have been graving? could you not have been graving? could he not have been graving? could we not have been graving? could you not have been graving? could they not have been graving?