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.

Saul Goodman, ATTORNEY at law,
505-164-CALL.
Breaking Bad Season 2, Episode 8

I'm Raj's ATTORNEY,
Venkatesh Koothrappali.
The Big Bang Theory Season 3, Episode 17

If you cannot afford an ATTORNEY,
Breaking Bad Season 5, Episode 13

and it bites you on the ass,
you don't go gunning for
the mosquito's ATTORNEY.
Breaking Bad Season 2, Episode 8

And a living will
and durable power of ATTORNEY.
The Big Bang Theory Season 4, Episode 24