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.

Pity, what happened to him,
Game of Thrones Season 1, Episode 5

"I PITY the fool who's illogical."
The Big Bang Theory Season 3, Episode 17

Still, I PITY her son.
Game of Thrones Season 5, Episode 6

Are you asking because
you want me there or out of PITY?
The Big Bang Theory Season 10, Episode 20

And PITY the miner
That mines my poor bones
The Big Bang Theory Season 8, Episode 6