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.

(SIGHS) But I need to EARN enough money
so I can go to Comic-Con.
The Big Bang Theory Season 10, Episode 17

I was good at what I was doing,
I could EARN my living.
Money Heist Season 1, Episode 7

Even prostitutes
may EARN the mercy of the Mother.
Game of Thrones Season 5, Episode 3

Leonard, I always
made you EARN my affection...
The Big Bang Theory Season 8, Episode 23

to EARN a salary,
a salary which, in the best of cases,
Money Heist Season 1, Episode 1