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.

Don't worry. You're with me NOW.
Money Heist Season 3, Episode 7

I'm gonna settle this right NOW.
The Big Bang Theory Season 1, Episode 15

Easy NOW.
Westworld Season 2, Episode 7

- Now?
- Little more.
The Big Bang Theory Season 5, Episode 17

...it's better NOW.
Breaking Bad Season 3, Episode 12