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.

Call the banners.
Game of Thrones Season 1, Episode 8

You CALL it glory, but...
it's got a lot of names.
Westworld Season 2, Episode 3

- Joanie, CALL the police.
- Nice to meet you.
The Big Bang Theory Season 3, Episode 16

They must have made
the CALL from an old phone.
Money Heist Season 3, Episode 4

How can I CALL myself king
if I can't hold my own castle?
Game of Thrones Season 2, Episode 6