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.

So, they’ll think
we’ll be escaping THROUGH here.
Money Heist Season 1, Episode 8

Who am I kidding?
I can't go THROUGH with this.
The Big Bang Theory Season 1, Episode 3

And some Clegane cunt
to help them see it THROUGH.
Game of Thrones Season 7, Episode 7

...THROUGH this transparently manipulative,
pseudo-reality again?
The Big Bang Theory Season 2, Episode 7

Look, Leonard is helping Sheldon
THROUGH a family crisis.
The Big Bang Theory Season 1, Episode 10