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.

I spent most of my life dodging the ROYAL fleet.
Game of Thrones Season 2, Episode 9

As is a ROYAL wedding.
Game of Thrones Season 3, Episode 5

Lady Stark thought it might
insult the ROYAL family
Game of Thrones Season 1, Episode 1

This is the ROYAL fleet.
Game of Thrones Season 2, Episode 9

It's Arturo Román.
The Royal Mint's former director.
Money Heist Season 3, Episode 7