CCSS.ELA-LITERACY.L.1.1.D
Use personal, possessive, and indefinite pronouns (e.g., I, me, my; they, them, their, anyone, everything).
110.3.b.11.D.vii
Pronouns, including subjective, objective, and possessive cases
Pronouns, including subjective, objective, and possessive cases
Use personal, possessive, and indefinite pronouns (e.g., I, me, my; they, them, their, anyone, everything).