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.

I can, but I want
to RUB his nose in this.
The Big Bang Theory Season 12, Episode 9

I can't do this. For your information, the flermin
doesn't RUB between my shoulder blades...
The Big Bang Theory Season 8, Episode 8

Mommy needs a foot RUB!
The Big Bang Theory Season 5, Episode 3

Will you please RUB this on my chest?
The Big Bang Theory Season 1, Episode 11

I need to RUB my genitals
on their prototype.
The Big Bang Theory Season 9, Episode 19