I must ill-treat you must ill-treat he must ill-treat we must ill-treat you must ill-treat they must ill-treat
V-ing form
I must be ill-treating you must be ill-treating he must be ill-treating we must be ill-treating you must be ill-treating they must be ill-treating
Perfect
I must have ill-treated you must have ill-treated he must have ill-treated we must have ill-treated you must have ill-treated they must have ill-treated
V-ing perfect
I must have been ill-treating you must have been ill-treating he must have been ill-treating we must have been ill-treating you must have been ill-treating they must have been ill-treating
Negation
Simple form
I must not ill-treat you must not ill-treat he must not ill-treat we must not ill-treat you must not ill-treat they must not ill-treat
V-ing form
I must not be ill-treating you must not be ill-treating he must not be ill-treating we must not be ill-treating you must not be ill-treating they must not be ill-treating
Perfect
I must not have ill-treated you must not have ill-treated he must not have ill-treated we must not have ill-treated you must not have ill-treated they must not have ill-treated
V-ing perfect
I must not have been ill-treating you must not have been ill-treating he must not have been ill-treating we must not have been ill-treating you must not have been ill-treating they must not have been ill-treating
Interrogative form
Simple form
must I ill-treat? must you ill-treat? must he ill-treat? must we ill-treat? must you ill-treat? must they ill-treat?
V-ing form
must I be ill-treating? must you be ill-treating? must he be ill-treating? must we be ill-treating? must you be ill-treating? must they be ill-treating?
Perfect
must I have ill-treated? must you have ill-treated? must he have ill-treated? must we have ill-treated? must you have ill-treated? must they have ill-treated?
V-ing perfect
must I have been ill-treating? must you have been ill-treating? must he have been ill-treating? must we have been ill-treating? must you have been ill-treating? must they have been ill-treating?
Interro-negative form
Simple form
must I not ill-treat? must you not ill-treat? must he not ill-treat? must we not ill-treat? must you not ill-treat? must they not ill-treat?
V-ing form
must I not be ill-treating? must you not be ill-treating? must he not be ill-treating? must we not be ill-treating? must you not be ill-treating? must they not be ill-treating?
Perfect
must I not have ill-treated? must you not have ill-treated? must he not have ill-treated? must we not have ill-treated? must you not have ill-treated? must they not have ill-treated?
V-ing perfect
must I not have been ill-treating? must you not have been ill-treating? must he not have been ill-treating? must we not have been ill-treating? must you not have been ill-treating? must they not have been ill-treating?