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, I talked
to your SUPERVISOR,
The Big Bang Theory Season 12, Episode 13

I spoke to my SUPERVISOR
The Big Bang Theory Season 12, Episode 13

I talked to my SUPERVISOR
and we're gonna let you go with a warning.
The Big Bang Theory Season 8, Episode 19