I could superimpose you could superimpose he could superimpose we could superimpose you could superimpose they could superimpose
Forme en V-ing
I could be superimposing you could be superimposing he could be superimposing we could be superimposing you could be superimposing they could be superimposing
Perfect
I could have superimposed you could have superimposed he could have superimposed we could have superimposed you could have superimposed they could have superimposed
Perfect en V-ing
I could have been superimposing you could have been superimposing he could have been superimposing we could have been superimposing you could have been superimposing they could have been superimposing
Négation
Forme simple
I could not superimpose you could not superimpose he could not superimpose we could not superimpose you could not superimpose they could not superimpose
Forme en V-ing
I could not be superimposing you could not be superimposing he could not be superimposing we could not be superimposing you could not be superimposing they could not be superimposing
Perfect
I could not have superimposed you could not have superimposed he could not have superimposed we could not have superimposed you could not have superimposed they could not have superimposed
Perfect en V-ing
I could not have been superimposing you could not have been superimposing he could not have been superimposing we could not have been superimposing you could not have been superimposing they could not have been superimposing
Forme interrogative
Forme simple
could I superimpose? could you superimpose? could he superimpose? could we superimpose? could you superimpose? could they superimpose?
Forme en V-ing
could I be superimposing? could you be superimposing? could he be superimposing? could we be superimposing? could you be superimposing? could they be superimposing?
Perfect
could I have superimposed? could you have superimposed? could he have superimposed? could we have superimposed? could you have superimposed? could they have superimposed?
Perfect en V-ing
could I have been superimposing? could you have been superimposing? could he have been superimposing? could we have been superimposing? could you have been superimposing? could they have been superimposing?
Forme interro-négative
Forme simple
could I not superimpose? could you not superimpose? could he not superimpose? could we not superimpose? could you not superimpose? could they not superimpose?
Forme en V-ing
could I not be superimposing? could you not be superimposing? could he not be superimposing? could we not be superimposing? could you not be superimposing? could they not be superimposing?
Perfect
could I not have superimposed? could you not have superimposed? could he not have superimposed? could we not have superimposed? could you not have superimposed? could they not have superimposed?
Perfect en V-ing
could I not have been superimposing? could you not have been superimposing? could he not have been superimposing? could we not have been superimposing? could you not have been superimposing? could they not have been superimposing?