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.
![[CAMERA WHlRRlNG]
[CAMERA WHlRRlNG]](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
[CAMERA WHlRRlNG]
Breaking Bad Season 4, Episode 7

I mean, I did install a CAMERA
The Big Bang Theory Season 12, Episode 12

Not fun. The doctor shoved
a CAMERA up into my sinuses.
The Big Bang Theory Season 8, Episode 9

There was a CAMERA,
Money Heist Season 1, Episode 13

Camera 14 remains the same.
Money Heist Season 1, Episode 7