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 have been to the MORGUE
and the hospital,
The Big Bang Theory Season 5, Episode 19

Every police station.
Every MORGUE.
Breaking Bad Season 2, Episode 2