ACT English punctuation: complete overview of commas, apostrophes, colons and semicolons, dashes, end marks, and the recurring traps

A complete overview of punctuation on ACT English: commas and unnecessary commas, apostrophes and possessives, colons and semicolons, dashes and parentheses, end punctuation and question marks, and the common traps. Punctuation is a large part of the Conventions of Standard English category.