Relative Pronouns in British English What is it? Overview Who Whom Whose Which That What Defining Zero Which vs That Prepositions Summary 01 What is a Relative Pronoun? A relative pronoun introduces a relative clause — a dependent clause that gives additional information about a noun or pronoun in the main clause. The noun or pronoun the clause refers back to is called the antecedent . The lawyer who won the case became famous. Element Example Role Antecedent the lawyer The noun being described Relative pronoun who Connects clause to antecedent Relative clause who won the case Gives information about antecedent 02 The Six Main Relative Pronouns British English uses six relative pronouns, each with distinct rules governing when and how they are used. Pronoun Refers to Subject Object Possessive who persons ✓ — — whom persons — ✓ — whose persons & things — — ✓ which things, animals, whole clauses ✓ ✓ — that persons & things (defining only) ✓ ✓ — what "that which" — no ...