query: When does `isn't ...` expand to "is ... not" and "is not ..."
positive_passages.docid: 157111
positive_passages.text: Can the "don't" contraction be expanded when used as a command?
negative_passages.docid: 130415
negative_passages.text: Negating quantifiers with brackets
negative_passages.docid: 110497
negative_passages.text: Should I use "is" or "are" with "any of X"?
negative_passages.docid: 61303
negative_passages.text: "Infer" vs. "imply" — can "infer" imply "imply"?
negative_passages.docid: 42843
negative_passages.text: What are the differences between "seems not" and "doesn't seem"?
negative_passages.docid: 151917
negative_passages.text: Difference between "not a", "no" and "not any"
negative_passages.docid: 49414
negative_passages.text: Negation in English
negative_passages.docid: 111657
negative_passages.text: Difference between "if x" and "if x is not None"
negative_passages.docid: 16124
negative_passages.text: Use of "If there is/are"
negative_passages.docid: 34821
negative_passages.text: "None is" or "none are"
negative_passages.docid: 118858
negative_passages.text: Is there any way to negate a Predicate?
negative_passages.docid: 16203
negative_passages.text: Meaning and usage of ain't
negative_passages.docid: 127309
negative_passages.text: When to use "rather than" versus "instead of"?
negative_passages.docid: 83756
negative_passages.text: What's the difference betwen " and ' - and when to use it?
negative_passages.docid: 12340
negative_passages.text: Is "can not" unambiguous?
negative_passages.docid: 46644
negative_passages.text: Was or is? Confusion
negative_passages.docid: 91894
negative_passages.text: ANTLR - Distinguish 'IS NOT NULL' from 'IS NULL'