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.

Look at that, huh?
It's a RUG you put on the floor,
Breaking Bad Season 2, Episode 7

Oh, I put the RUG down. Didn't help.
The Big Bang Theory Season 10, Episode 13

have been soaking in the living
room RUG this entire time.
Breaking Bad Season 5, Episode 12

Tykes. Rug rats.
The Big Bang Theory Season 12, Episode 17

Left little holes in the floor.
That's why I bought the RUG.
The Big Bang Theory Season 10, Episode 13