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.

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

I mean, she's looking at preschools,
she has a MINIVAN, she has a 401 (k).
The Big Bang Theory Season 10, Episode 15

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

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

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