الضمائر والمحددات - الضمائر النكرة والمحددات المؤكدة

used to denote a certain, but unspecified, portion or selection of things or people

بعض

a person who is not mentioned by name

شخص ما

a person whose identity is not specified or known

شخص ما

used to mention a thing that is not known or named

شيء ما

used to express an unspecified amount or number of something

بعض

used to refer to an unspecified selection within a group or category

بعض