An adjective clause is a subordinate clause used to modify a noun or a pronoun in the main clause. It may be introduced by the pronouns who, whose, whom, which, or that (and sometimes when or where). These pronouns are called relative pronouns because they relate to a noun or a pronoun in the sentence. Occasionally, no relative pronoun is used, but it is implied or understood.

Is she the girl whom you met at the party? (whom relates to girl)

This is a book that I like. (that relates to book)

This is a book I like. (that is implied)

This is a house where Washington slept. (where relates to house)

Identifying Adjective Clauses. Underline the adjective clause in each of the following sentences. Bold the word it modifies.

Example: The book that he wrote has just been published.

  1. Mike, whose ancestors came from Ireland, marched in the St. Patrick’s Day parade.
  2. The woman who lives next door is a registered nurse.
  3. Williamsburg, Virginia, is a place that I’d like to visit.
  4. Math, which is Dave’s favorite subject, has always been easy for him.
  5. There is the house that I’d like to buy.
  6. Larry’s letter, which he mailed Tuesday, reached me on Thursday.
  7. Summer, which is my favorite season, will be here in another week.
  8. Phil is reading The Call of the Wild, which is Jack London’s most famous book.
  9. We live just twenty miles from O’Hare Airport, which is the world’s busiest airport.
  10. Newton, Iowa, is the town where Barbara was born.