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.

I am not FLYING back to Texas
just so my mom can give me a hug.
The Big Bang Theory Season 6, Episode 21

- Maybe you shouldn't be FLYING it inside.
- I'm not FLYING it!
The Big Bang Theory Season 8, Episode 22

You'd be FLYING around
the open seas alone,
Game of Thrones Season 7, Episode 3

Uh, I think that also means
no FLYING solo.
The Big Bang Theory Season 12, Episode 15

Besides, Arturo knows
I'm scared of FLYING.
Money Heist Season 1, Episode 6