Ill-treat V1, V2, V3, V4, V5 Forms | Ill-treat Past Tense and Past Participle Verb: ill-treat Meaning: act cruelly towards a person Ill-treat Verb Forms (V1, V2, V3, V4, V5): BASE FORM PAST TENSE PAST PARTICIPLE -S/IES -ING ill-treat ill-treated ill-treated...