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.

Hello to you, too. Now stop
trying to STEAL our Nobel Prize.
The Big Bang Theory Season 12, Episode 13

you didn't have to STEAL it.
Westworld Season 2, Episode 4

I know, that's why I'm trying
to STEAL her from you.
The Big Bang Theory Season 12, Episode 17

- I didn't touch her.
- No, you just want to STEAL her.
Game of Thrones Season 2, Episode 2

Steal that farmer's crops.
Good, I'm your thief.
Game of Thrones Season 6, Episode 7