English verb conjugation
COULD LUSTRATE

Regular verb: lustrate - lustrated - lustrated

Affirmation

Simple form	V-ing form
I could lustrate you could lustrate she could lustrate we could lustrate you could lustrate they could lustrate	I could be lustrating you could be lustrating she 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 she 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 she 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 she 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 she 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 she 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 she 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 she lustrate? could we lustrate? could you lustrate? could they lustrate?	could I be lustrating? could you be lustrating? could she 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 she 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 she 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 she 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 she 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 she 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 she not have been lustrating? could we not have been lustrating? could you not have been lustrating? could they not have been lustrating?