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.

That show ended with all the residents
of New York either dead or UNCONSCIOUS.
The Big Bang Theory Season 6, Episode 21

Yes. I don't care for
UNCONSCIOUS thoughts.
The Big Bang Theory Season 10, Episode 18

So I knocked down the bathroom door,
picked up my UNCONSCIOUS mother...
The Big Bang Theory Season 4, Episode 23

What if I knocked you UNCONSCIOUS
right now?
The Big Bang Theory Season 1, Episode 14

If you were to travel back in time
and knock me UNCONSCIOUS...
The Big Bang Theory Season 1, Episode 14