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.

I'd like to point out,
this wall just PROVIDED a lot of privacy.
The Big Bang Theory Season 8, Episode 20

...I realized his untimely demise PROVIDED
me with the opportunity to replace him...
The Big Bang Theory Season 2, Episode 4

The dark arts have
PROVIDED Lord Stannis with his armies
Game of Thrones Season 2, Episode 9

PROVIDED the old gal's
candle blow is clean and dry.
The Big Bang Theory Season 5, Episode 19

PROVIDED he swears me an oath of fealty.
Game of Thrones Season 2, Episode 5