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.

"And then I felt it,
right up against me backside like a CLUB.
Game of Thrones Season 2, Episode 7

...not the president
of the Potty Mouth Club.
The Big Bang Theory Season 6, Episode 9
![[quietly]:
Secret club.
[quietly]:
Secret club.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
[quietly]:
Secret CLUB.
The Big Bang Theory Season 12, Episode 7

Sorry, guys. This CLUB was so great.
The Big Bang Theory Season 10, Episode 15

Anyone else want to
join the No Cake Club?
The Big Bang Theory Season 5, Episode 12