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.

They'll WAVE dragon banners
and shout my name?
Game of Thrones Season 2, Episode 7

If you look at Huygens, light is a WAVE,
as confirmed by the double-slit experiments.
The Big Bang Theory Season 1, Episode 1

Oh, we can come up with
a WAVE speed formula,
The Big Bang Theory Season 11, Episode 13

Want me to WAVE to him for you?
Breaking Bad Season 5, Episode 13

They move through the graphene
as a WAVE.
The Big Bang Theory Season 3, Episode 14