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.

Me and Kuby rented a VAN
for the dude,
Breaking Bad Season 5, Episode 13

There's a VAN. They've been here, Colonel.
Money Heist Season 3, Episode 7

on the Van Allen Belts from the
university server as well.
The Big Bang Theory Season 7, Episode 1

Agent Van Oster
will stay here with you.
Breaking Bad Season 5, Episode 13

- I'll get the hospital bag.
- I'll pull the VAN up.
The Big Bang Theory Season 10, Episode 11