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.

Until he rode right PAST his wife,
Game of Thrones Season 5, Episode 4

Here's how it works -
I make a statement about your PAST.
Game of Thrones Season 1, Episode 9

This man must sail PAST old Valyria.
Game of Thrones Season 2, Episode 7

I thought we were PAST the days
when you'd pull the wool over my eyes.
The Big Bang Theory Season 4, Episode 9

It's just not time yet.
No, it's PAST time.
Breaking Bad Season 5, Episode 11