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Language structure

NON-DEFINING RELATIVE CLAUSE (REVIEW)#

  • gives EXTRA information about a subject;
  • goes between commas;
  • sentence still makes sense without this EXTRA information.
___________________ , which _____________ , _________________ .

e.g. Limestone, which contains mainly calcium carbonate, is used as a building material.
e.g. Magnesium hydroxide, which is almost insoluble, is sold as a suspension in water. In this form, which is known as “milk of magnesia”, it is taken to reduce indigestion as it neutralizes stomach acidity.
e.g. Magnesium sulphate, which is a good source of magnesium ions, is used to counter magnesium deficiency.