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.

Go ahead, WRITE one.
Game of Thrones Season 3, Episode 10

I'm sure it was.
I intend to WRITE
The Big Bang Theory Season 5, Episode 16

What makes you think
you can WRITE a book?
The Big Bang Theory Season 11, Episode 15

What should we WRITE?
The Big Bang Theory Season 9, Episode 10

My mother's still living at White Harbor.
Could you WRITE her?
Game of Thrones Season 6, Episode 3