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.

And this is INEVITABLE, okay?
Breaking Bad Season 4, Episode 3

How do we circumvent
his INEVITABLE rejection?
The Big Bang Theory Season 2, Episode 9

Has your relationship reached
its INEVITABLE ugly end?
The Big Bang Theory Season 3, Episode 7

Oh, don't worry, once you see
my sweet moves, sex is INEVITABLE.
The Big Bang Theory Season 10, Episode 4

The universe is random.
It's not INEVITABLE.
Breaking Bad Season 3, Episode 10