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.

All I'm saying
is we have a SCHEDULE, right?
Breaking Bad Season 3, Episode 8

My family
comes before your SCHEDULE.
Breaking Bad Season 3, Episode 8

Well, uh, they shifted my SCHEDULE around
at the restaurant, so my hours are different...
The Big Bang Theory Season 2, Episode 21

But one that's tailored to us, okay?
We don't need a bathroom SCHEDULE.
The Big Bang Theory Season 10, Episode 13

and my bowel movements run
like a German train SCHEDULE.
The Big Bang Theory Season 5, Episode 10