A Light in the Darkness (Part IV)

Today I will be discussing apostrophes. Yes, those little ' marks, those things that seem to pop up without rhyme or reason. 

Actually, there is a very good reason for them. They stand for missing letters. They are used in contractions, such as “isn't”, “wasn't”, or “won't”. In those cases the apostrophe shows that letters have been taken out of the word. “Is not” has been squished