English verb conjugation
COULD ILLUME

Regular verb: illume - illumed - illumed

Affirmation

Simple form	V-ing form
I could illume you could illume he could illume we could illume you could illume they could illume	I could be illuming you could be illuming he could be illuming we could be illuming you could be illuming they could be illuming
Perfect	V-ing perfect
I could have illumed you could have illumed he could have illumed we could have illumed you could have illumed they could have illumed	I could have been illuming you could have been illuming he could have been illuming we could have been illuming you could have been illuming they could have been illuming

Negation

Simple form	V-ing form
I couldn't illume you couldn't illume he couldn't illume we couldn't illume you couldn't illume they couldn't illume	I couldn't be illuming you couldn't be illuming he couldn't be illuming we couldn't be illuming you couldn't be illuming they couldn't be illuming
Perfect	V-ing perfect
I couldn't have illumed you couldn't have illumed he couldn't have illumed we couldn't have illumed you couldn't have illumed they couldn't have illumed	I couldn't have been illuming you couldn't have been illuming he couldn't have been illuming we couldn't have been illuming you couldn't have been illuming they couldn't have been illuming

Interrogative form

Simple form	V-ing form
could I illume? could you illume? could he illume? could we illume? could you illume? could they illume?	could I be illuming? could you be illuming? could he be illuming? could we be illuming? could you be illuming? could they be illuming?
Perfect	V-ing perfect
could I have illumed? could you have illumed? could he have illumed? could we have illumed? could you have illumed? could they have illumed?	could I have been illuming? could you have been illuming? could he have been illuming? could we have been illuming? could you have been illuming? could they have been illuming?

Interro-negative form

Simple form	V-ing form
couldn't I illume? couldn't you illume? couldn't he illume? couldn't we illume? couldn't you illume? couldn't they illume?	couldn't I be illuming? couldn't you be illuming? couldn't he be illuming? couldn't we be illuming? couldn't you be illuming? couldn't they be illuming?
Perfect	V-ing perfect
couldn't I have illumed? couldn't you have illumed? couldn't he have illumed? couldn't we have illumed? couldn't you have illumed? couldn't they have illumed?	couldn't I have been illuming? couldn't you have been illuming? couldn't he have been illuming? couldn't we have been illuming? couldn't you have been illuming? couldn't they have been illuming?