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.

Where's the maestro,
out parking the MINIVAN?
Breaking Bad Season 3, Episode 9

Well, if your idea of fun is riding
in a MINIVAN to Target for diapers,
The Big Bang Theory Season 10, Episode 19

You bought a MINIVAN?
The Big Bang Theory Season 10, Episode 6

Which, by the way, would fit easily in the
back of this award-winning MINIVAN.
The Big Bang Theory Season 10, Episode 6

so you might've bought a MINIVAN.
The Big Bang Theory Season 10, Episode 6