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.

-Ángel.
-This isn’t a FILM. No, no.
Money Heist Season 1, Episode 8

TV, FILM, D&D, manga.
Greek, Roman, Norse gods...
The Big Bang Theory Season 1, Episode 6

he told me about the plot of the most
extraordinary FILM ever made.
Money Heist Season 1, Episode 12

In the original FILM,
Rod Taylor got Yvette Mimieux...
The Big Bang Theory Season 1, Episode 14

As long as it doesn't crunch
during the FILM and it's Raisinets.
The Big Bang Theory Season 6, Episode 2