I'd like to know the difference between
- Why don't you do it?
- Why do you not do it?"
Could you please let me know the differences?
English Language Learners Stack Exchange is a question and answer site for speakers of other languages learning English. It only takes a minute to sign up.Sign up to join this community
Both are correct. What was originally just a contraction of "do not" has become a word in itself, and can now be placed where the two separate words can't.
Both "Don't you..." and "Do you not..." are correct, but you can't re-expand "Don't you..." into "Do not you...".
The meaning of the two are the same, but "Do you not..." is considered more formal in some situations.
This is quoted from ELL as an accepted answer.