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.

...we had an inflatable Santa Claus
with plastic reindeer on the front LAWN.
The Big Bang Theory Season 3, Episode 11
![WOMAN [ON RECORDING]:
Get a thicker, fuller lawn
in less than six weeks.
WOMAN [ON RECORDING]:
Get a thicker, fuller lawn
in less than six weeks.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
WOMAN [ON RECORDING]:
Get a thicker, fuller LAWN
in less than six weeks.
Breaking Bad Season 2, Episode 10

But I was just tired of
the LAWN care, upkeep
and whatnot. You know?
Breaking Bad Season 2, Episode 5

You found it. It's the sound of a cat
being run over by a LAWN mower.
The Big Bang Theory Season 2, Episode 15

Why, because they won't get off your LAWN?
The Big Bang Theory Season 8, Episode 4