... …………………………………………………………………………………………………………………………………………………………………………………… GRAMMAR NOTES Relative clauses can be introduced by: • • • who (whom), which, that, whose no relative pronoun where, why and when DEFINING RELATIVE CLAUSES Defining relative clauses define which ... reduced relative clause • Everyone who’s taking a train should buy their ticket in advance • Everyone taking a train should buy their ticket in advance NON-DEFINING RELATIVE CLAUSES Non-defining relative ... Non-defining relative clauses are more common in written English, especially in stories It is almost a general rule for the preposition to come before the relative pronoun in a nondefining relative...