How dissimilar are "they're not" and "they aren't"?
Is it dependent on context or are these exactly the same?
They are supposed to be going, but they are not.
They are not going.
These are pretty much equivalent. If you desire to place more emphasis on the negative, use "They're not."
This question is protected to prevent "thanks!", "me too!", or spam answers by new users. To answer it, you must have earned at least 10 reputation on this site.