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.

not Marco Polo the
terrifying water SPORT.
The Big Bang Theory Season 7, Episode 2

Killing our men wasn't war for them,
it was SPORT.
Game of Thrones Season 7, Episode 5

I'd complain about
what a stupid SPORT it is
The Big Bang Theory Season 10, Episode 7

Yeah. If it were an Olympic SPORT,
The Big Bang Theory Season 10, Episode 7

Sixth grade. But I wore a SPORT coat
and carried a brief case so...
The Big Bang Theory Season 9, Episode 15