Conjugaison du verbe anglais
COULD ROIL

Verbe régulier : roil - roiled - roiled

Affirmation

Forme simple	Forme en V-ing
I could roil you could roil she could roil we could roil you could roil they could roil	I could be roiling you could be roiling she could be roiling we could be roiling you could be roiling they could be roiling
Perfect	Perfect en V-ing
I could have roiled you could have roiled she could have roiled we could have roiled you could have roiled they could have roiled	I could have been roiling you could have been roiling she could have been roiling we could have been roiling you could have been roiling they could have been roiling

Négation

Forme simple	Forme en V-ing
I could not roil you could not roil she could not roil we could not roil you could not roil they could not roil	I could not be roiling you could not be roiling she could not be roiling we could not be roiling you could not be roiling they could not be roiling
Perfect	Perfect en V-ing
I could not have roiled you could not have roiled she could not have roiled we could not have roiled you could not have roiled they could not have roiled	I could not have been roiling you could not have been roiling she could not have been roiling we could not have been roiling you could not have been roiling they could not have been roiling

Forme interrogative

Forme simple	Forme en V-ing
could I roil? could you roil? could she roil? could we roil? could you roil? could they roil?	could I be roiling? could you be roiling? could she be roiling? could we be roiling? could you be roiling? could they be roiling?
Perfect	Perfect en V-ing
could I have roiled? could you have roiled? could she have roiled? could we have roiled? could you have roiled? could they have roiled?	could I have been roiling? could you have been roiling? could she have been roiling? could we have been roiling? could you have been roiling? could they have been roiling?

Forme interro-négative

Forme simple	Forme en V-ing
could I not roil? could you not roil? could she not roil? could we not roil? could you not roil? could they not roil?	could I not be roiling? could you not be roiling? could she not be roiling? could we not be roiling? could you not be roiling? could they not be roiling?
Perfect	Perfect en V-ing
could I not have roiled? could you not have roiled? could she not have roiled? could we not have roiled? could you not have roiled? could they not have roiled?	could I not have been roiling? could you not have been roiling? could she not have been roiling? could we not have been roiling? could you not have been roiling? could they not have been roiling?