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Introduction to Exercise 3 - Identifying mistakes with final S's
Grammar Explanation

•  Remember that if you need the possessive form of a singular count and non-count noun, you must add an apostrophe with s (–'s).
  • Example: A person's credit history affects his/her chances of getting a mortgage.
•  Remember that if you need the possessive form of a plural noun that ends in –s, you must add an apostrophe alone.
  • Example: Parents' financial troubles end up affecting how they relate to their children.
•  Remember that if you need the possessive form of an irregular plural noun that does not end in –s, you must add an apostrophe with s (–'s).
  • Example: Children's educational needs are often sources of financial strain for parents.
•  Remember to add the -s or -es to plural count nouns.
  • Example: The governments of third world countries need to unite to fight the policies of the World Bank and the International Monetary Fund.
•  Remember that only third person singular nouns, non-count nouns, and gerunds (ing) take the singular form of a verb (verb + s).
  • Example:  Managing your money wisely requires constant attention.
PDFDownload Grammar Explanation (PDF)
What You Will Do

The following passages contain mistakes with the use of -s endings. Click on the word or phrase that contains the mistake. When you click, a box will appear. Type the correct word or phrase in this box and then click the INSERT button. When you have finished making all the corrections, click DONE to compare WHAT YOU WROTE with WHAT WE WROTE.
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