English verb conjugation
COULD OVERILLUSTRATE

Regular verb: overillustrate - overillustrated - overillustrated

Affirmation

Simple form	V-ing form
I could overillustrate you could overillustrate he could overillustrate we could overillustrate you could overillustrate they could overillustrate	I could be overillustrating you could be overillustrating he could be overillustrating we could be overillustrating you could be overillustrating they could be overillustrating
Perfect	V-ing perfect
I could have overillustrated you could have overillustrated he could have overillustrated we could have overillustrated you could have overillustrated they could have overillustrated	I could have been overillustrating you could have been overillustrating he could have been overillustrating we could have been overillustrating you could have been overillustrating they could have been overillustrating

Negation

Simple form	V-ing form
I could not overillustrate you could not overillustrate he could not overillustrate we could not overillustrate you could not overillustrate they could not overillustrate	I could not be overillustrating you could not be overillustrating he could not be overillustrating we could not be overillustrating you could not be overillustrating they could not be overillustrating
Perfect	V-ing perfect
I could not have overillustrated you could not have overillustrated he could not have overillustrated we could not have overillustrated you could not have overillustrated they could not have overillustrated	I could not have been overillustrating you could not have been overillustrating he could not have been overillustrating we could not have been overillustrating you could not have been overillustrating they could not have been overillustrating

Interrogative form

Simple form	V-ing form
could I overillustrate? could you overillustrate? could he overillustrate? could we overillustrate? could you overillustrate? could they overillustrate?	could I be overillustrating? could you be overillustrating? could he be overillustrating? could we be overillustrating? could you be overillustrating? could they be overillustrating?
Perfect	V-ing perfect
could I have overillustrated? could you have overillustrated? could he have overillustrated? could we have overillustrated? could you have overillustrated? could they have overillustrated?	could I have been overillustrating? could you have been overillustrating? could he have been overillustrating? could we have been overillustrating? could you have been overillustrating? could they have been overillustrating?

Interro-negative form

Simple form	V-ing form
could I not overillustrate? could you not overillustrate? could he not overillustrate? could we not overillustrate? could you not overillustrate? could they not overillustrate?	could I not be overillustrating? could you not be overillustrating? could he not be overillustrating? could we not be overillustrating? could you not be overillustrating? could they not be overillustrating?
Perfect	V-ing perfect
could I not have overillustrated? could you not have overillustrated? could he not have overillustrated? could we not have overillustrated? could you not have overillustrated? could they not have overillustrated?	could I not have been overillustrating? could you not have been overillustrating? could he not have been overillustrating? could we not have been overillustrating? could you not have been overillustrating? could they not have been overillustrating?