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You are given a block of text which explains the theory of this concept.

Once you have read the theory, do the exercises given below to test how well you have understood the ideas.


How to do the Exercises:


You are given a set of words.

You are also given some sentences with input boxes, and you are required to use the words to complete the sentences correctly.


You can put your chosen word into the input box by first clicking on the word and then in the input box.


The word will appear in the input box.


If it is correct, it will go green, and if not, it will go red.

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Apostrophes have two principal uses - showing possession, and showing missing letters:
- This is DAVID's book. (possession.)
- I'm not happy.(showing that I'M is missing an A from I AM.)

If a word ends in S, the apostrophes is used differently:
- This is Louis' book. (possession is shown by ' and not 's)

With the words IT'S and ITS, the apostrophe means a missing letter and not possession:
- IT'S Sunday. (IT'S = IT IS)
- ITS mine. (possession)

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Incorrect sentence: Its Davids dogs bone.

  • IT'S
  • DOG'S
  • DOGS
  • ITS

(1) bone.

Incorrect sentence: There Lluis dogs bones.

  • There
  • DOG'S
  • LLUIS'

(2) bones.