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.

Anyway, to this day, I still can't see a box
of crayons without CROSSING my legs. Ha, ha.
The Big Bang Theory Season 6, Episode 9

The Freys have
held the CROSSING for 600 years,
Game of Thrones Season 1, Episode 9

To do either we need to cross the river
and the only CROSSING is at the Twins.
Game of Thrones Season 1, Episode 8

and pledge to do all I can to make
amends so the Freys of the Crossing
Game of Thrones Season 3, Episode 9

you might find yourself
CROSSING swords with him.
Game of Thrones Season 6, Episode 4