AK1.15: If

  I have a friend who studies Arabic at the U of A.
  They are colleagues I know from work.
  Do you understand what I say?
  Do you remember who visited you yesterday?
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  If I get a scholarship in Egypt, I will be very happy.
  If I were rich, I would travel to Dubai.
  If she were the president, she would help people.
  If you do not understand, ask me.
  I will help you if you want.