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.

If I was a father to any of my children,
they'd be STONED in the street.
Game of Thrones Season 5, Episode 2

...was a third century Roman priest
who was STONED and beheaded...
The Big Bang Theory Season 3, Episode 15