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.

Don't QUOTE me on that, I'm...
Breaking Bad Season 3, Episode 11

Jim Henson for, QUOTE,
The Big Bang Theory Season 12, Episode 4

Anyway, in the call, Walt said
that he was going to, QUOTE:
Breaking Bad Season 5, Episode 13

is there a figure
you can QUOTE me?
Breaking Bad Season 4, Episode 2

Sheldon, what? Do I need to QUOTE
Spock's dying words to you?
The Big Bang Theory Season 1, Episode 13