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.

Okay, that's just
the PLOT for Dirty Dancing.
The Big Bang Theory Season 7, Episode 6

All we need to do is PLOT out
The Big Bang Theory Season 10, Episode 13

But I'm noting a little hole
in your PLOT though.
Breaking Bad Season 3, Episode 12

Half the city will starve when winter comes.
The other half will PLOT to overthrow you.
Game of Thrones Season 2, Episode 2

That thing's riddled
with PLOT holes.
The Big Bang Theory Season 7, Episode 4