There are seven ways to apostrophes, but their primary roles are to show possession and to indicate an omission of letters. Probably one of the most important yet misused punctuation marks, apostrophes are critical for clarity. Learn to use apostrophes in order to make your writing clear and obvious.
Apostrophe Difficulty Ranking: 2/14 (relatively difficult to master)
While the basic uses of apostrophes are fairly straightforward, apostrophes can get confusing when you start working with compound and plural possessions. Because apostrophes are so important for clarity, though, you’ll want to work on mastering all seven uses of apostrophes.