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.

Okay, now SHIFT into drive.
The Big Bang Theory Season 2, Episode 5

You relax. I'll take this SHIFT.
The Big Bang Theory Season 10, Episode 12

We could sheep SHIFT Lord Desmond's bed.
Game of Thrones Season 3, Episode 10

But every day we wait,
the odds SHIFT in Bolton's favor.
Game of Thrones Season 5, Episode 5

I can't believe it. If I hadn't
been working the dinner SHIFT...
The Big Bang Theory Season 3, Episode 13