I could ascribe you could ascribe he could ascribe we could ascribe you could ascribe they could ascribe
Forme en V-ing
I could be ascribing you could be ascribing he could be ascribing we could be ascribing you could be ascribing they could be ascribing
Perfect
I could have ascribed you could have ascribed he could have ascribed we could have ascribed you could have ascribed they could have ascribed
Perfect en V-ing
I could have been ascribing you could have been ascribing he could have been ascribing we could have been ascribing you could have been ascribing they could have been ascribing
Négation
Forme simple
I couldn't ascribe you couldn't ascribe he couldn't ascribe we couldn't ascribe you couldn't ascribe they couldn't ascribe
Forme en V-ing
I couldn't be ascribing you couldn't be ascribing he couldn't be ascribing we couldn't be ascribing you couldn't be ascribing they couldn't be ascribing
Perfect
I couldn't have ascribed you couldn't have ascribed he couldn't have ascribed we couldn't have ascribed you couldn't have ascribed they couldn't have ascribed
Perfect en V-ing
I couldn't have been ascribing you couldn't have been ascribing he couldn't have been ascribing we couldn't have been ascribing you couldn't have been ascribing they couldn't have been ascribing
Forme interrogative
Forme simple
could I ascribe? could you ascribe? could he ascribe? could we ascribe? could you ascribe? could they ascribe?
Forme en V-ing
could I be ascribing? could you be ascribing? could he be ascribing? could we be ascribing? could you be ascribing? could they be ascribing?
Perfect
could I have ascribed? could you have ascribed? could he have ascribed? could we have ascribed? could you have ascribed? could they have ascribed?
Perfect en V-ing
could I have been ascribing? could you have been ascribing? could he have been ascribing? could we have been ascribing? could you have been ascribing? could they have been ascribing?
Forme interro-négative
Forme simple
couldn't I ascribe? couldn't you ascribe? couldn't he ascribe? couldn't we ascribe? couldn't you ascribe? couldn't they ascribe?
Forme en V-ing
couldn't I be ascribing? couldn't you be ascribing? couldn't he be ascribing? couldn't we be ascribing? couldn't you be ascribing? couldn't they be ascribing?
Perfect
couldn't I have ascribed? couldn't you have ascribed? couldn't he have ascribed? couldn't we have ascribed? couldn't you have ascribed? couldn't they have ascribed?
Perfect en V-ing
couldn't I have been ascribing? couldn't you have been ascribing? couldn't he have been ascribing? couldn't we have been ascribing? couldn't you have been ascribing? couldn't they have been ascribing?