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.

Really? On ACTUAL horses?
The Big Bang Theory Season 2, Episode 13

...you meant an ACTUAL girl...
The Big Bang Theory Season 4, Episode 3

Not ACTUAL demons.
Game of Thrones Season 6, Episode 9

They throw an ACTUAL ball.
You were throwing air at a TV.
The Big Bang Theory Season 8, Episode 3

have any conception
what his ACTUAL family was doing?
Game of Thrones Season 4, Episode 10