Many students are unsure when to use an apostrophe which often leads to overuse or avoiding it completely.
Basically, an apostrophe should be used to indicate the following:
Have a look at this simple guide from Monash University which tells you everything you need to know about the correct use of apostrophes in just a few minutes.
If you’d like to delve a little deeper check out this resource from GrammarBook.com which features all sorts of helpful rules, real-world examples, and quizzes.