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.

...from short-term to long-term MEMORY?
The Big Bang Theory Season 1, Episode 6

Proceed. Memory by MEMORY.
Westworld Season 3, Episode 8

I have an eidetic MEMORY,
as I've told you many times.
The Big Bang Theory Season 3, Episode 5

Maybe he's experiencing
MEMORY loss because he took...
The Big Bang Theory Season 11, Episode 14

At least I'd have one happy MEMORY.
Game of Thrones Season 4, Episode 10