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 couldn't ill-use you couldn't ill-use he couldn't ill-use we couldn't ill-use you couldn't ill-use they couldn't ill-use	I couldn't be ill-using you couldn't be ill-using he couldn't be ill-using we couldn't be ill-using you couldn't be ill-using they couldn't be ill-using
Perfect	V-ing perfect
I couldn't have ill-used you couldn't have ill-used he couldn't have ill-used we couldn't have ill-used you couldn't have ill-used they couldn't have ill-used	I couldn't have been ill-using you couldn't have been ill-using he couldn't have been ill-using we couldn't have been ill-using you couldn't have been ill-using they couldn't 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
couldn't I ill-use? couldn't you ill-use? couldn't he ill-use? couldn't we ill-use? couldn't you ill-use? couldn't they ill-use?	couldn't I be ill-using? couldn't you be ill-using? couldn't he be ill-using? couldn't we be ill-using? couldn't you be ill-using? couldn't they be ill-using?
Perfect	V-ing perfect
couldn't I have ill-used? couldn't you have ill-used? couldn't he have ill-used? couldn't we have ill-used? couldn't you have ill-used? couldn't they have ill-used?	couldn't I have been ill-using? couldn't you have been ill-using? couldn't he have been ill-using? couldn't we have been ill-using? couldn't you have been ill-using? couldn't they have been ill-using?