English verb conjugation
COULD ILL-TREAT

Regular verb: ill-treat - ill-treated - ill-treated

Affirmation

Simple form	V-ing form
I could ill-treat you could ill-treat he could ill-treat we could ill-treat you could ill-treat they could ill-treat	I could be ill-treating you could be ill-treating he could be ill-treating we could be ill-treating you could be ill-treating they could be ill-treating
Perfect	V-ing perfect
I could have ill-treated you could have ill-treated he could have ill-treated we could have ill-treated you could have ill-treated they could have ill-treated	I could have been ill-treating you could have been ill-treating he could have been ill-treating we could have been ill-treating you could have been ill-treating they could have been ill-treating

Negation

Simple form	V-ing form
I couldn't ill-treat you couldn't ill-treat he couldn't ill-treat we couldn't ill-treat you couldn't ill-treat they couldn't ill-treat	I couldn't be ill-treating you couldn't be ill-treating he couldn't be ill-treating we couldn't be ill-treating you couldn't be ill-treating they couldn't be ill-treating
Perfect	V-ing perfect
I couldn't have ill-treated you couldn't have ill-treated he couldn't have ill-treated we couldn't have ill-treated you couldn't have ill-treated they couldn't have ill-treated	I couldn't have been ill-treating you couldn't have been ill-treating he couldn't have been ill-treating we couldn't have been ill-treating you couldn't have been ill-treating they couldn't have been ill-treating

Interrogative form

Simple form	V-ing form
could I ill-treat? could you ill-treat? could he ill-treat? could we ill-treat? could you ill-treat? could they ill-treat?	could I be ill-treating? could you be ill-treating? could he be ill-treating? could we be ill-treating? could you be ill-treating? could they be ill-treating?
Perfect	V-ing perfect
could I have ill-treated? could you have ill-treated? could he have ill-treated? could we have ill-treated? could you have ill-treated? could they have ill-treated?	could I have been ill-treating? could you have been ill-treating? could he have been ill-treating? could we have been ill-treating? could you have been ill-treating? could they have been ill-treating?

Interro-negative form

Simple form	V-ing form
couldn't I ill-treat? couldn't you ill-treat? couldn't he ill-treat? couldn't we ill-treat? couldn't you ill-treat? couldn't they ill-treat?	couldn't I be ill-treating? couldn't you be ill-treating? couldn't he be ill-treating? couldn't we be ill-treating? couldn't you be ill-treating? couldn't they be ill-treating?
Perfect	V-ing perfect
couldn't I have ill-treated? couldn't you have ill-treated? couldn't he have ill-treated? couldn't we have ill-treated? couldn't you have ill-treated? couldn't they have ill-treated?	couldn't I have been ill-treating? couldn't you have been ill-treating? couldn't he have been ill-treating? couldn't we have been ill-treating? couldn't you have been ill-treating? couldn't they have been ill-treating?