- A colon tells the reader that what follows is closely related to the preceding clause. The colon has more effect than the comma, less power to separate than the semicolon, and more formality than the dash.
- Join two independent clauses with a colon if the second interprets or amplifies the first.
- The squalor of the streets reminded him of a line from Oscar Wilde: “We are all in the gutter, but some of us are looking at the stars.”
- Do you mind me asking a question?
- Do you mind my asking a question?
- WRONG: On arriving in Chicago, his friends met him at the station
- CORRECT: On arriving in Chicago, he was met at the station by his friends