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.

Maybe some of us
should stop talking ALTOGETHER.
The Big Bang Theory Season 3, Episode 12

So many people have stopped
seeing it ALTOGETHER.
Westworld Season 2, Episode 2

...coming from someone
who is considered ALTOGETHER unlikable.
The Big Bang Theory Season 2, Episode 13

to avoid a trial ALTOGETHER
by having me killed.
Game of Thrones Season 4, Episode 4

He wanted to refuse your ransom ALTOGETHER.
Game of Thrones Season 3, Episode 5