Non-defining relative clauses - Crown Academy of English
www.crownacademyenglish.com › non-definingJan 18, 2019 · We never use the relative pronoun “that” in non-defining relative clauses. Examples: Mr Smith, who works with me, has invited me to a party. Mr Smith, that works with me, has invited me to a party. Mr Smith, whom I like, has invited me to a party. Mr Smith, that I like, has invited me to a party. He gave me the cake, which I ate immediately.