The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

- The Mad King.
- Commonly known as the Mad King.
Game of Thrones Season 1, Episode 4

I'm not threatening the KING, ser.
I am educating my nephew.
Game of Thrones Season 2, Episode 4

Last I heard,
you were King Jeffrey's guard dog.
Game of Thrones Season 3, Episode 4

You are no KING.
Game of Thrones Season 1, Episode 6

He is the one true KING.
Game of Thrones Season 2, Episode 2