Relative clauses 定语从句
         (  ) –(1)
Clauses with who/that/which
the woman –she lives next door –is a doctor
The woman   who lives next door   is a doctor.
        relative clause

We usewho in a relative clause when we are talking aboutpeople.
  We know a lot of people who live in London.
  An architect is someonewho designs buildings .
  What was the name of the manwho lent you the money  ?
You can also usethat instead of who:
  The man that lives next dooris very friendly.
When we talk ab ...