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.

l will make a one-time PAYMENT
Breaking Bad Season 4, Episode 7

This is the PAYMENT that was demanded
by King Stannis for my crimes.
Game of Thrones Season 4, Episode 6

VIRTUAL ASSISTANT:
Amount of PAYMENT determined.
Westworld Season 3, Episode 8

Told Thoros she's keeping me as
PAYMENT for all his free meals.
Game of Thrones Season 3, Episode 3

When we receive PAYMENT,
you shall have your brother.
Vikings Season 1, Episode 7