English verb conjugation
COULD ILL-USE

Regular verb: ill-use - ill-used - ill-used

Affirmation

Simple form	V-ing form
I could ill-use you could ill-use he could ill-use we could ill-use you could ill-use they could ill-use	I could be ill-using you could be ill-using he could be ill-using we could be ill-using you could be ill-using they could be ill-using
Perfect	V-ing perfect
I could have ill-used you could have ill-used he could have ill-used we could have ill-used you could have ill-used they could have ill-used	I could have been ill-using you could have been ill-using he could have been ill-using we could have been ill-using you could have been ill-using they could have been ill-using

Negation

Simple form	V-ing form
I could not ill-use you could not ill-use he could not ill-use we could not ill-use you could not ill-use they could not ill-use	I could not be ill-using you could not be ill-using he could not be ill-using we could not be ill-using you could not be ill-using they could not be ill-using
Perfect	V-ing perfect
I could not have ill-used you could not have ill-used he could not have ill-used we could not have ill-used you could not have ill-used they could not have ill-used	I could not have been ill-using you could not have been ill-using he could not have been ill-using we could not have been ill-using you could not have been ill-using they could not have been ill-using

Interrogative form

Simple form	V-ing form
could I ill-use? could you ill-use? could he ill-use? could we ill-use? could you ill-use? could they ill-use?	could I be ill-using? could you be ill-using? could he be ill-using? could we be ill-using? could you be ill-using? could they be ill-using?
Perfect	V-ing perfect
could I have ill-used? could you have ill-used? could he have ill-used? could we have ill-used? could you have ill-used? could they have ill-used?	could I have been ill-using? could you have been ill-using? could he have been ill-using? could we have been ill-using? could you have been ill-using? could they have been ill-using?

Interro-negative form

Simple form	V-ing form
could I not ill-use? could you not ill-use? could he not ill-use? could we not ill-use? could you not ill-use? could they not ill-use?	could I not be ill-using? could you not be ill-using? could he not be ill-using? could we not be ill-using? could you not be ill-using? could they not be ill-using?
Perfect	V-ing perfect
could I not have ill-used? could you not have ill-used? could he not have ill-used? could we not have ill-used? could you not have ill-used? could they not have ill-used?	could I not have been ill-using? could you not have been ill-using? could he not have been ill-using? could we not have been ill-using? could you not have been ill-using? could they not have been ill-using?