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.

BASED on a constitutional
or statutory issue.
The Big Bang Theory Season 12, Episode 6

is BASED on a blunder.
The Big Bang Theory Season 7, Episode 10

...BASED on that action alone
and no other data...
The Big Bang Theory Season 2, Episode 11

...combined with laser BASED
finger tracking. Here, I'll show you.
The Big Bang Theory Season 6, Episode 5

Based on the geometric progression...
The Big Bang Theory Season 2, Episode 9