ประโยคขยายนามไม่จำกัดความ: ประธาน

⚠ โปรดระวัง

• We can't use that with non-defining relative clauses.
• The nurse, that was kind, helped me. ✘
• The nurse, who was kind, helped me. ✔
• This book, that I love, is very useful. ✘
• This book, which I love, is very useful. ✔
• We need a RELATIVE PRONOUN with non-defining relative clauses.
• This book, I love, is very useful. ✘
• This book, which I love, is very useful. ✔