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.

♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 5, Episode 15

♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 7, Episode 22

♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 12, Episode 10

♪ Then nearly 14 BILLION years
ago expansion started... Wait! ♪
The Big Bang Theory Season 12, Episode 4

# Then nearly 14 BILLION years
ago expansion started... Wait! #
The Big Bang Theory Season 11, Episode 8