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.

We do not plow the fields or TOIL in the mine.
Game of Thrones Season 2, Episode 3

The visions take their TOIL.
Game of Thrones Season 3, Episode 6