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Apostrophe: 5 important apostrophe rules

How to use an apostrophe in English

Apostrophes are one of the most misused features of punctuation in the English language.

Apostrophe rules


  • We use apostrophe before s to show contractions.


  1. Hes my best friend. (He is my friend.)
  2. Its an interesting book. (It is an interesting book.)
  3. Its twelve oclock. (of the clock)
  4. Shes been working for this multinational company for about ten years. (She has been working…)
  5. Weve done all our tasks. (We have done all our tasks.)
  6. Ive got a lot of things to do this afternoon. (I have got a lot of things to do this afternoon.)
  7. I dont like tea. ( I do not like tea.)
  • The use of apostrophe before s also shows singular possession


  1. This is Roberts car. The cars color is black.
  2. My fathers name is Philip.
  3. Our teachers accent is American.
  4. The schools principal is very helpful.
  • We use apostrophe after s to show plural possession


  1. The students grades were excellent.
  2. My friends parents are engineers.
  3. My kids names are Amy and Sandy.
  • For irregular plurals that do not end in s, we add s after the apostrophe.


  1. Childrens stories
  2. The mices nest
  3. The peoples demands
  • The mark (  ) is used before the letter s to show the plural of a letter or number


  1. There are two ms in the word ‘community’.
  2. The word ‘pretty’ contains two ts.
  3. How many twos are there in 6?


Here are the most important uses of a full stop

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