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.

- Well, what?
- What DOES it mean?
The Big Bang Theory Season 1, Episode 5

Who the hell
still DOES that?
Breaking Bad Season 2, Episode 1

- Who DOES tricks with firecrackers?
- Tomas.
Breaking Bad Season 3, Episode 11

Does she have fingers?
The Big Bang Theory Season 12, Episode 4

He DOES that to me, too.
The Big Bang Theory Season 7, Episode 13