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.

The tools you use
to REBUILD us,
repurpose us,
Westworld Season 2, Episode 7

Who the fuck is gonna help me
REBUILD his entire
heuristic base?
Westworld Season 2, Episode 8

You've ruined it. Now I'm going to have to
REBUILD the whole thing.
Game of Thrones Season 4, Episode 7

we're gonna have to
REBUILD civilization.
The Big Bang Theory Season 12, Episode 14

You need someone to
REBUILD your army for you,
Game of Thrones Season 3, Episode 10