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.

a couple of TAVERN wenches
to warm our beds tonight.
Game of Thrones Season 1, Episode 2

Gods, boy, that's enough.
We're not in a TAVERN.
Game of Thrones Season 3, Episode 5

Tavern girls, I'd say.
Game of Thrones Season 2, Episode 10

just outside a TAVERN in Flea Bottom.
Game of Thrones Season 2, Episode 2

instead of the girl next
to her in the TAVERN.
Game of Thrones Season 3, Episode 8