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Use commas to add extra information

If you want to add extra information that is not important to a sentence, the information should have a  comma before and after it. 

The neck and head of a giraffe can be seen out of the window of a flying aircraft.

The giraffe, which comes from Africa, has a very long neck.

• Audrey, who is very tired, is going on holiday next week.
(The commas before and after who is very tired are needed because this information is not important for the sentence. It is extra information)
• Our hotel, which only had eight rooms, was fantastic.

Remember: Extra information with commas.

  • Exercise 1

    Remember: Extra information with commas.

    Re-write the sentences CAREFULLY and add commas where necessary.

    Remember: Extra information with commas.

    Re-write the sentences CAREFULLY and add commas where necessary.

  • Remember: Extra information with commas.

    The boat, which is blue and white, is floating.

     A boat is sailing on beautiful clear blue water giving the impression it is floating above the water.

  • Remember: Extra information with commas.

    The chair, which is red, is very small.

  • Which or that?
    That is used when important information is added. Which is used when the information added is not important. (1:45)

    When to use a comma before and or but?
    When two simples sentences are joined together using and or but you should put a comma before and or but. (1:45)

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