English verb conjugation
COULD BACKLIGHT

Irregular verb: backlight - backlit - backlit

Affirmation

Simple form	V-ing form
I could backlight you could backlight she could backlight we could backlight you could backlight they could backlight	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	V-ing 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	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

Negation

Simple form	V-ing form
I couldn't backlight you couldn't backlight she couldn't backlight we couldn't backlight you couldn't backlight they couldn't backlight	I couldn't be backlighting you couldn't be backlighting she couldn't be backlighting we couldn't be backlighting you couldn't be backlighting they couldn't be backlighting
Perfect	V-ing perfect
I couldn't have backlit you couldn't have backlit she couldn't have backlit we couldn't have backlit you couldn't have backlit they couldn't have backlit	I couldn't have been backlighting you couldn't have been backlighting she couldn't have been backlighting we couldn't have been backlighting you couldn't have been backlighting they couldn't have been backlighting

Interrogative form

Simple form	V-ing form
could I backlight? could you backlight? could she backlight? could we backlight? could you backlight? could they backlight?	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	V-ing 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?	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?

Interro-negative form

Simple form	V-ing form
couldn't I backlight? couldn't you backlight? couldn't she backlight? couldn't we backlight? couldn't you backlight? couldn't they backlight?	couldn't I be backlighting? couldn't you be backlighting? couldn't she be backlighting? couldn't we be backlighting? couldn't you be backlighting? couldn't they be backlighting?
Perfect	V-ing perfect
couldn't I have backlit? couldn't you have backlit? couldn't she have backlit? couldn't we have backlit? couldn't you have backlit? couldn't they have backlit?	couldn't I have been backlighting? couldn't you have been backlighting? couldn't she have been backlighting? couldn't we have been backlighting? couldn't you have been backlighting? couldn't they have been backlighting?