I could grace you could grace she could grace we could grace you could grace they could grace
Forme en V-ing
I could be gracing you could be gracing she could be gracing we could be gracing you could be gracing they could be gracing
Perfect
I could have graced you could have graced she could have graced we could have graced you could have graced they could have graced
Perfect en V-ing
I could have been gracing you could have been gracing she could have been gracing we could have been gracing you could have been gracing they could have been gracing
Négation
Forme simple
I could not grace you could not grace she could not grace we could not grace you could not grace they could not grace
Forme en V-ing
I could not be gracing you could not be gracing she could not be gracing we could not be gracing you could not be gracing they could not be gracing
Perfect
I could not have graced you could not have graced she could not have graced we could not have graced you could not have graced they could not have graced
Perfect en V-ing
I could not have been gracing you could not have been gracing she could not have been gracing we could not have been gracing you could not have been gracing they could not have been gracing
Forme interrogative
Forme simple
could I grace? could you grace? could she grace? could we grace? could you grace? could they grace?
Forme en V-ing
could I be gracing? could you be gracing? could she be gracing? could we be gracing? could you be gracing? could they be gracing?
Perfect
could I have graced? could you have graced? could she have graced? could we have graced? could you have graced? could they have graced?
Perfect en V-ing
could I have been gracing? could you have been gracing? could she have been gracing? could we have been gracing? could you have been gracing? could they have been gracing?
Forme interro-négative
Forme simple
could I not grace? could you not grace? could she not grace? could we not grace? could you not grace? could they not grace?
Forme en V-ing
could I not be gracing? could you not be gracing? could she not be gracing? could we not be gracing? could you not be gracing? could they not be gracing?
Perfect
could I not have graced? could you not have graced? could she not have graced? could we not have graced? could you not have graced? could they not have graced?
Perfect en V-ing
could I not have been gracing? could you not have been gracing? could she not have been gracing? could we not have been gracing? could you not have been gracing? could they not have been gracing?