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.

Everybody wants a little bit
of what I found here.
Westworld Season 2, Episode 2

I wasn't much older,
but EVERYBODY was already afraid of me.
Game of Thrones Season 6, Episode 1

Wh-what do you mean "EVERYBODY"?
The Big Bang Theory Season 5, Episode 7

Hey, we just wanted to see how your class
was going. Where is EVERYBODY?
The Big Bang Theory Season 8, Episode 2

You know, EVERYBODY thinks
I'm so predictable.
The Big Bang Theory Season 11, Episode 15