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'm HEARTBROKEN and
you're hitting on me?
The Big Bang Theory Season 5, Episode 4

I-I would be HEARTBROKEN
if I had a kid out there
The Big Bang Theory Season 12, Episode 15

When I told him we split up,
he was HEARTBROKEN.
The Big Bang Theory Season 4, Episode 9

We have just heard the words
of one of the parents, HEARTBROKEN..."
Money Heist Season 1, Episode 6