I could illuviate you could illuviate he could illuviate we could illuviate you could illuviate they could illuviate
V-ing form
I could be illuviating you could be illuviating he could be illuviating we could be illuviating you could be illuviating they could be illuviating
Perfect
I could have illuviated you could have illuviated he could have illuviated we could have illuviated you could have illuviated they could have illuviated
V-ing perfect
I could have been illuviating you could have been illuviating he could have been illuviating we could have been illuviating you could have been illuviating they could have been illuviating
Negation
Simple form
I could not illuviate you could not illuviate he could not illuviate we could not illuviate you could not illuviate they could not illuviate
V-ing form
I could not be illuviating you could not be illuviating he could not be illuviating we could not be illuviating you could not be illuviating they could not be illuviating
Perfect
I could not have illuviated you could not have illuviated he could not have illuviated we could not have illuviated you could not have illuviated they could not have illuviated
V-ing perfect
I could not have been illuviating you could not have been illuviating he could not have been illuviating we could not have been illuviating you could not have been illuviating they could not have been illuviating
Interrogative form
Simple form
could I illuviate? could you illuviate? could he illuviate? could we illuviate? could you illuviate? could they illuviate?
V-ing form
could I be illuviating? could you be illuviating? could he be illuviating? could we be illuviating? could you be illuviating? could they be illuviating?
Perfect
could I have illuviated? could you have illuviated? could he have illuviated? could we have illuviated? could you have illuviated? could they have illuviated?
V-ing perfect
could I have been illuviating? could you have been illuviating? could he have been illuviating? could we have been illuviating? could you have been illuviating? could they have been illuviating?
Interro-negative form
Simple form
could I not illuviate? could you not illuviate? could he not illuviate? could we not illuviate? could you not illuviate? could they not illuviate?
V-ing form
could I not be illuviating? could you not be illuviating? could he not be illuviating? could we not be illuviating? could you not be illuviating? could they not be illuviating?
Perfect
could I not have illuviated? could you not have illuviated? could he not have illuviated? could we not have illuviated? could you not have illuviated? could they not have illuviated?
V-ing perfect
could I not have been illuviating? could you not have been illuviating? could he not have been illuviating? could we not have been illuviating? could you not have been illuviating? could they not have been illuviating?