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.

I will give you 40 hostages
and your elite COMMANDO.
Money Heist Season 3, Episode 6

of spreading the video of
your elite COMMANDO singing "Bella Ciao."
Money Heist Season 3, Episode 6