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