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.

They may as well have been a family of cats
just jumping around from DRAPE to DRAPE.
The Big Bang Theory Season 2, Episode 19

They may as well have been a family of cats
just jumping around from DRAPE to DRAPE.
The Big Bang Theory Season 2, Episode 19