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.

Well, I pray when I'm dead
And the ages shall ROLL
The Big Bang Theory Season 8, Episode 6

Badger is way too loyal to ROLL.
Breaking Bad Season 2, Episode 8

Come on. Roll a six, Penny dies horribly
in a nuclear meltdown.
The Big Bang Theory Season 3, Episode 7

to ROLL up
this newspaper.
The Big Bang Theory Season 5, Episode 12

and a ROLL of duct tape?
The Big Bang Theory Season 7, Episode 14