I could adduce you could adduce he could adduce we could adduce you could adduce they could adduce
Forme en V-ing
I could be adducing you could be adducing he could be adducing we could be adducing you could be adducing they could be adducing
Perfect
I could have adduced you could have adduced he could have adduced we could have adduced you could have adduced they could have adduced
Perfect en V-ing
I could have been adducing you could have been adducing he could have been adducing we could have been adducing you could have been adducing they could have been adducing
Négation
Forme simple
I could not adduce you could not adduce he could not adduce we could not adduce you could not adduce they could not adduce
Forme en V-ing
I could not be adducing you could not be adducing he could not be adducing we could not be adducing you could not be adducing they could not be adducing
Perfect
I could not have adduced you could not have adduced he could not have adduced we could not have adduced you could not have adduced they could not have adduced
Perfect en V-ing
I could not have been adducing you could not have been adducing he could not have been adducing we could not have been adducing you could not have been adducing they could not have been adducing
Forme interrogative
Forme simple
could I adduce? could you adduce? could he adduce? could we adduce? could you adduce? could they adduce?
Forme en V-ing
could I be adducing? could you be adducing? could he be adducing? could we be adducing? could you be adducing? could they be adducing?
Perfect
could I have adduced? could you have adduced? could he have adduced? could we have adduced? could you have adduced? could they have adduced?
Perfect en V-ing
could I have been adducing? could you have been adducing? could he have been adducing? could we have been adducing? could you have been adducing? could they have been adducing?
Forme interro-négative
Forme simple
could I not adduce? could you not adduce? could he not adduce? could we not adduce? could you not adduce? could they not adduce?
Forme en V-ing
could I not be adducing? could you not be adducing? could he not be adducing? could we not be adducing? could you not be adducing? could they not be adducing?
Perfect
could I not have adduced? could you not have adduced? could he not have adduced? could we not have adduced? could you not have adduced? could they not have adduced?
Perfect en V-ing
could I not have been adducing? could you not have been adducing? could he not have been adducing? could we not have been adducing? could you not have been adducing? could they not have been adducing?