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.

She never let me have my PUDDING
until I'd finished all my proper food.
Game of Thrones Season 4, Episode 5

He was 84;
he'd say, "Where's my PUDDING?"
The Big Bang Theory Season 7, Episode 22

l'm leaving the rice PUDDING.
Breaking Bad Season 4, Episode 3

Why don't you go to the store
and get me some tapioca PUDDING
The Big Bang Theory Season 12, Episode 7

...is better than the best PUDDING
of any other flavor.
The Big Bang Theory Season 2, Episode 13