I could credit you could credit he could credit we could credit you could credit they could credit
Forme en V-ing
I could be crediting you could be crediting he could be crediting we could be crediting you could be crediting they could be crediting
Perfect
I could have credited you could have credited he could have credited we could have credited you could have credited they could have credited
Perfect en V-ing
I could have been crediting you could have been crediting he could have been crediting we could have been crediting you could have been crediting they could have been crediting
Négation
Forme simple
I could not credit you could not credit he could not credit we could not credit you could not credit they could not credit
Forme en V-ing
I could not be crediting you could not be crediting he could not be crediting we could not be crediting you could not be crediting they could not be crediting
Perfect
I could not have credited you could not have credited he could not have credited we could not have credited you could not have credited they could not have credited
Perfect en V-ing
I could not have been crediting you could not have been crediting he could not have been crediting we could not have been crediting you could not have been crediting they could not have been crediting
Forme interrogative
Forme simple
could I credit? could you credit? could he credit? could we credit? could you credit? could they credit?
Forme en V-ing
could I be crediting? could you be crediting? could he be crediting? could we be crediting? could you be crediting? could they be crediting?
Perfect
could I have credited? could you have credited? could he have credited? could we have credited? could you have credited? could they have credited?
Perfect en V-ing
could I have been crediting? could you have been crediting? could he have been crediting? could we have been crediting? could you have been crediting? could they have been crediting?
Forme interro-négative
Forme simple
could I not credit? could you not credit? could he not credit? could we not credit? could you not credit? could they not credit?
Forme en V-ing
could I not be crediting? could you not be crediting? could he not be crediting? could we not be crediting? could you not be crediting? could they not be crediting?
Perfect
could I not have credited? could you not have credited? could he not have credited? could we not have credited? could you not have credited? could they not have credited?
Perfect en V-ing
could I not have been crediting? could you not have been crediting? could he not have been crediting? could we not have been crediting? could you not have been crediting? could they not have been crediting?