A parenthetical phrase gives extra information to a sentence that is already complete.
If you remove the parenthetical phrase, the sentence still functions perfectly – it just isn’t as detailed.
These are the 8 types of parenthetical phrases: (written in italics)
- Many years ago, Andrew’s brother told him the worst ghost story he’d ever heard.
- Well, you could at least try to have fun.
- Oooo, I don’t think so.
- Wait, tell me about your trip.
- There are more than 800,000 known species of insects living in the world, in case you didn’t know.
- By the way, you never told me that.
- Dr. Phillip K. Aston, a researcher at Miami University, has discovered a cure for cancer.
- When I was done with it, I gave the movie script to Hans, my friend who works for Universal Studios.
- The shooting victim, his eyes rolled completely back into his head, was clearly dead.
- I found your grandfather running down Market Street carrying fish, cats chasing him and meowing the whole way.
- Realizing they were broke, Mario and Elizabeth ended their vacation and returned home.
- February’s nasty winter weather culminated in a ferocious snowstorm, a snowstorm that would be remembered many years later.
- When we told her the news, Andrea went into a blind rage, something she had never done before and hasn’t done since.