I could backlight you could backlight she could backlight we could backlight you could backlight they could backlight
Forme en V-ing
I could be backlighting you could be backlighting she could be backlighting we could be backlighting you could be backlighting they could be backlighting
Perfect
I could have backlit you could have backlit she could have backlit we could have backlit you could have backlit they could have backlit
Perfect en V-ing
I could have been backlighting you could have been backlighting she could have been backlighting we could have been backlighting you could have been backlighting they could have been backlighting
Négation
Forme simple
I could not backlight you could not backlight she could not backlight we could not backlight you could not backlight they could not backlight
Forme en V-ing
I could not be backlighting you could not be backlighting she could not be backlighting we could not be backlighting you could not be backlighting they could not be backlighting
Perfect
I could not have backlit you could not have backlit she could not have backlit we could not have backlit you could not have backlit they could not have backlit
Perfect en V-ing
I could not have been backlighting you could not have been backlighting she could not have been backlighting we could not have been backlighting you could not have been backlighting they could not have been backlighting
Forme interrogative
Forme simple
could I backlight? could you backlight? could she backlight? could we backlight? could you backlight? could they backlight?
Forme en V-ing
could I be backlighting? could you be backlighting? could she be backlighting? could we be backlighting? could you be backlighting? could they be backlighting?
Perfect
could I have backlit? could you have backlit? could she have backlit? could we have backlit? could you have backlit? could they have backlit?
Perfect en V-ing
could I have been backlighting? could you have been backlighting? could she have been backlighting? could we have been backlighting? could you have been backlighting? could they have been backlighting?
Forme interro-négative
Forme simple
could I not backlight? could you not backlight? could she not backlight? could we not backlight? could you not backlight? could they not backlight?
Forme en V-ing
could I not be backlighting? could you not be backlighting? could she not be backlighting? could we not be backlighting? could you not be backlighting? could they not be backlighting?
Perfect
could I not have backlit? could you not have backlit? could she not have backlit? could we not have backlit? could you not have backlit? could they not have backlit?
Perfect en V-ing
could I not have been backlighting? could you not have been backlighting? could she not have been backlighting? could we not have been backlighting? could you not have been backlighting? could they not have been backlighting?