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'm sorry, I'm confused.
President Siebert said
The Big Bang Theory Season 12, Episode 5

President Siebert asked that
I be a part of this conversation
The Big Bang Theory Season 12, Episode 19

Ignore him,
President Siebert.
The Big Bang Theory Season 5, Episode 17

Anyway, I called President Seibert...
The Big Bang Theory Season 6, Episode 9

I bet I can make
that girl PRESIDENT.
The Big Bang Theory Season 12, Episode 13