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 am completely DEPENDENT on you.
The Big Bang Theory Season 10, Episode 23

and, uh, your livelihood
is DEPENDENT
The Big Bang Theory Season 7, Episode 21

...is not DEPENDENT on anyone's approval.
The Big Bang Theory Season 8, Episode 23

That's not true. My happiness
is not DEPENDENT on my best friend...
The Big Bang Theory Season 3, Episode 15