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 really think we should EXAMINE
the chain of causality here.
The Big Bang Theory Season 1, Episode 1

- Maybe she's his lawyer.
- Well, she's free to EXAMINE my briefs.
The Big Bang Theory Season 1, Episode 15

How might we EXAMINE this
more closely?
The Big Bang Theory Season 4, Episode 20

I want Maester Aemon
to EXAMINE them first.
Game of Thrones Season 1, Episode 8

so we can EXAMINE
their diapers later?
The Big Bang Theory Season 12, Episode 17