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 would gladly give my life
to watch you all SWALLOW it.
Game of Thrones Season 4, Episode 6

He made him SWALLOW all the coins
he had skimmed, one by one,
Money Heist Season 1, Episode 10

"to SWALLOW a horse whole."
Game of Thrones Season 3, Episode 8

...my mother will SWALLOW her whole
and spit out her bones like an owl.
The Big Bang Theory Season 4, Episode 23

A darkness that will SWALLOW the dawn.
Game of Thrones Season 3, Episode 8