English verb conjugation
COULD LUSTRATE

Regular verb: lustrate - lustrated - lustrated

Affirmation

Simple form	V-ing form
I could lustrate you could lustrate he could lustrate we could lustrate you could lustrate they could lustrate	I could be lustrating you could be lustrating he could be lustrating we could be lustrating you could be lustrating they could be lustrating
Perfect	V-ing perfect
I could have lustrated you could have lustrated he could have lustrated we could have lustrated you could have lustrated they could have lustrated	I could have been lustrating you could have been lustrating he could have been lustrating we could have been lustrating you could have been lustrating they could have been lustrating

Negation

Simple form	V-ing form
I could not lustrate you could not lustrate he could not lustrate we could not lustrate you could not lustrate they could not lustrate	I could not be lustrating you could not be lustrating he could not be lustrating we could not be lustrating you could not be lustrating they could not be lustrating
Perfect	V-ing perfect
I could not have lustrated you could not have lustrated he could not have lustrated we could not have lustrated you could not have lustrated they could not have lustrated	I could not have been lustrating you could not have been lustrating he could not have been lustrating we could not have been lustrating you could not have been lustrating they could not have been lustrating

Interrogative form

Simple form	V-ing form
could I lustrate? could you lustrate? could he lustrate? could we lustrate? could you lustrate? could they lustrate?	could I be lustrating? could you be lustrating? could he be lustrating? could we be lustrating? could you be lustrating? could they be lustrating?
Perfect	V-ing perfect
could I have lustrated? could you have lustrated? could he have lustrated? could we have lustrated? could you have lustrated? could they have lustrated?	could I have been lustrating? could you have been lustrating? could he have been lustrating? could we have been lustrating? could you have been lustrating? could they have been lustrating?

Interro-negative form

Simple form	V-ing form
could I not lustrate? could you not lustrate? could he not lustrate? could we not lustrate? could you not lustrate? could they not lustrate?	could I not be lustrating? could you not be lustrating? could he not be lustrating? could we not be lustrating? could you not be lustrating? could they not be lustrating?
Perfect	V-ing perfect
could I not have lustrated? could you not have lustrated? could he not have lustrated? could we not have lustrated? could you not have lustrated? could they not have lustrated?	could I not have been lustrating? could you not have been lustrating? could he not have been lustrating? could we not have been lustrating? could you not have been lustrating? could they not have been lustrating?