Conjugaison du verbe anglais
COULD BUTTRESS

Verbe régulier : buttress - buttressed - buttressed
Traduction française : étayer - arc-bouter

Affirmation

Forme simple	Forme en V-ing
I could buttress you could buttress he could buttress we could buttress you could buttress they could buttress	I could be buttressing you could be buttressing he could be buttressing we could be buttressing you could be buttressing they could be buttressing
Perfect	Perfect en V-ing
I could have buttressed you could have buttressed he could have buttressed we could have buttressed you could have buttressed they could have buttressed	I could have been buttressing you could have been buttressing he could have been buttressing we could have been buttressing you could have been buttressing they could have been buttressing

Négation

Forme simple	Forme en V-ing
I could not buttress you could not buttress he could not buttress we could not buttress you could not buttress they could not buttress	I could not be buttressing you could not be buttressing he could not be buttressing we could not be buttressing you could not be buttressing they could not be buttressing
Perfect	Perfect en V-ing
I could not have buttressed you could not have buttressed he could not have buttressed we could not have buttressed you could not have buttressed they could not have buttressed	I could not have been buttressing you could not have been buttressing he could not have been buttressing we could not have been buttressing you could not have been buttressing they could not have been buttressing

Forme interrogative

Forme simple	Forme en V-ing
could I buttress? could you buttress? could he buttress? could we buttress? could you buttress? could they buttress?	could I be buttressing? could you be buttressing? could he be buttressing? could we be buttressing? could you be buttressing? could they be buttressing?
Perfect	Perfect en V-ing
could I have buttressed? could you have buttressed? could he have buttressed? could we have buttressed? could you have buttressed? could they have buttressed?	could I have been buttressing? could you have been buttressing? could he have been buttressing? could we have been buttressing? could you have been buttressing? could they have been buttressing?

Forme interro-négative

Forme simple	Forme en V-ing
could I not buttress? could you not buttress? could he not buttress? could we not buttress? could you not buttress? could they not buttress?	could I not be buttressing? could you not be buttressing? could he not be buttressing? could we not be buttressing? could you not be buttressing? could they not be buttressing?
Perfect	Perfect en V-ing
could I not have buttressed? could you not have buttressed? could he not have buttressed? could we not have buttressed? could you not have buttressed? could they not have buttressed?	could I not have been buttressing? could you not have been buttressing? could he not have been buttressing? could we not have been buttressing? could you not have been buttressing? could they not have been buttressing?