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.

Don't presume to tell me what I NEED.
Game of Thrones Season 6, Episode 10

I NEED to get
to the train.
Westworld Season 2, Episode 3

But we NEED men and supplies,
Game of Thrones Season 5, Episode 4

Come on. Wolowitz won't come out of his
house and we NEED him for a robot battle.
The Big Bang Theory Season 2, Episode 12

Raj, if you NEED a place to stay,
of course you are welcome here.
The Big Bang Theory Season 10, Episode 16