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.

- You swore me safe CONDUCT.
- I did,
Game of Thrones Season 3, Episode 7

What's crucial for a salon
is that we CONDUCT the discussion...
The Big Bang Theory Season 8, Episode 18

to CONDUCT
this beautiful current with, hm?
Breaking Bad Season 2, Episode 9

Of course, the ideal way
to CONDUCT this experiment would be
The Big Bang Theory Season 10, Episode 4

Look, I have business to CONDUCT.
Breaking Bad Season 5, Episode 15