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's also why
your VOCAL voodoo
didn't work on them--
Westworld Season 2, Episode 5

I've been such a VOCAL champion
of The Singularity,
The Big Bang Theory Season 9, Episode 19

Look at you. Mouth open,
VOCAL chords a-twitter.
Breaking Bad Season 2, Episode 8