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.

Remember when I auditioned for Rent but
I didn't get it and I couldn't figure out why?
The Big Bang Theory Season 1, Episode 10

You don't know how much your RENT is?
The Big Bang Theory Season 10, Episode 16

(IN NORMAL VOICE) I love you too,
but you cost more than my rent.
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(IN NORMAL VOICE) I love you too,
but you cost more than my rent.
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(IN NORMAL VOICE) I love you too,
but you cost more than my RENT.
The Big Bang Theory Season 4, Episode 22

Rent a plane, write it in the sky.
The Big Bang Theory Season 9, Episode 12

He pays for my car,
my RENT and my credit cards.
The Big Bang Theory Season 10, Episode 17