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.

You're sleeping
with my WIFE.
The Big Bang Theory Season 11, Episode 14

Hey, I'm a grown man.
I'm gonna live with my WIFE.
The Big Bang Theory Season 6, Episode 1

We now pronounce you
husband and WIFE.
The Big Bang Theory Season 12, Episode 23

I'm sorry,
my WIFE says I'm not allowed.
The Big Bang Theory Season 12, Episode 15

I shall take no WIFE, hold no lands,
Game of Thrones Season 4, Episode 9