Relative Clauses (Defining)

Use defining relative clauses to give essential information that identifies which person or thing you mean. Use who for people, which for things, and that for both. No commas are used.

Post
Level B1 Clauses

Summary

  1. Use defining relative clauses to give essential information that identifies which person or thing you mean. Use who for people, which for things, and that for both. No commas are used.
Structure
noun + who/which/that + verb ...

Examples

  1. The man who lives next door is a doctor.
  2. This is the book that changed my life.
  3. I met a woman whose son is a famous actor.
  4. The house which we bought needs repairs.

Common mistakes

  • Don't use commas in defining clauses: NOT 'The man, who lives next door, is a doctor' (if essential).
  • Don't repeat the subject: NOT 'The book that I read it' → 'The book that I read.'

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