English verb conjugation
COULD QUADRATE

Regular verb: quadrate - quadrated - quadrated

Affirmation

Simple form	V-ing form
I could quadrate you could quadrate he could quadrate we could quadrate you could quadrate they could quadrate	I could be quadrating you could be quadrating he could be quadrating we could be quadrating you could be quadrating they could be quadrating
Perfect	V-ing perfect
I could have quadrated you could have quadrated he could have quadrated we could have quadrated you could have quadrated they could have quadrated	I could have been quadrating you could have been quadrating he could have been quadrating we could have been quadrating you could have been quadrating they could have been quadrating

Negation

Simple form	V-ing form
I could not quadrate you could not quadrate he could not quadrate we could not quadrate you could not quadrate they could not quadrate	I could not be quadrating you could not be quadrating he could not be quadrating we could not be quadrating you could not be quadrating they could not be quadrating
Perfect	V-ing perfect
I could not have quadrated you could not have quadrated he could not have quadrated we could not have quadrated you could not have quadrated they could not have quadrated	I could not have been quadrating you could not have been quadrating he could not have been quadrating we could not have been quadrating you could not have been quadrating they could not have been quadrating

Interrogative form

Simple form	V-ing form
could I quadrate? could you quadrate? could he quadrate? could we quadrate? could you quadrate? could they quadrate?	could I be quadrating? could you be quadrating? could he be quadrating? could we be quadrating? could you be quadrating? could they be quadrating?
Perfect	V-ing perfect
could I have quadrated? could you have quadrated? could he have quadrated? could we have quadrated? could you have quadrated? could they have quadrated?	could I have been quadrating? could you have been quadrating? could he have been quadrating? could we have been quadrating? could you have been quadrating? could they have been quadrating?

Interro-negative form

Simple form	V-ing form
could I not quadrate? could you not quadrate? could he not quadrate? could we not quadrate? could you not quadrate? could they not quadrate?	could I not be quadrating? could you not be quadrating? could he not be quadrating? could we not be quadrating? could you not be quadrating? could they not be quadrating?
Perfect	V-ing perfect
could I not have quadrated? could you not have quadrated? could he not have quadrated? could we not have quadrated? could you not have quadrated? could they not have quadrated?	could I not have been quadrating? could you not have been quadrating? could he not have been quadrating? could we not have been quadrating? could you not have been quadrating? could they not have been quadrating?