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.

What-- Hello, Bert, and what is your
flag-related comment or QUERY?
The Big Bang Theory Season 10, Episode 21

Query: On what plane of existence
is there even a semi-rational link...
The Big Bang Theory Season 1, Episode 1