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.

Yeah, that's an ARGUMENT.
Breaking Bad Season 3, Episode 13

- You guys have an ARGUMENT?
- No.
The Big Bang Theory Season 2, Episode 14

l had an ARGUMENT.
Breaking Bad Season 4, Episode 3

in our earlier ARGUMENT,
Money Heist Season 3, Episode 8

For the sake of ARGUMENT,
let's say I have a problem.
The Big Bang Theory Season 6, Episode 21