query: "Should" vs "have to"
positive_passages.docid: 37500
positive_passages.text: When should one use "should" and when should one use "must"?
negative_passages.docid: 130767
negative_passages.text: "need + verb-ing" vs "need + [to be] + verb-ed"
negative_passages.docid: 22998
negative_passages.text: When should I use "shall" versus "will"?
negative_passages.docid: 5498
negative_passages.text: What's the difference between "should" and "could" (in the present tense)?
negative_passages.docid: 7614
negative_passages.text: "Whether or not" vs. "whether"
negative_passages.docid: 129254
negative_passages.text: "going to come down" vs "going to have to come down"
negative_passages.docid: 88426
negative_passages.text: Is there a difference in meaning among 'should', 'happens to', or 'should happen to'?
negative_passages.docid: 52294
negative_passages.text: "need to do" vs "need do"
negative_passages.docid: 56154
negative_passages.text: Be it that,were to, and should - what were the differences between these conditionals?
negative_passages.docid: 35860
negative_passages.text: Use of would in sentences
negative_passages.docid: 54001
negative_passages.text: just in case VS. should
negative_passages.docid: 61173
negative_passages.text: Meaning of 'should have' in sentences
negative_passages.docid: 51394
negative_passages.text: Correct usage of will and would
negative_passages.docid: 124536
negative_passages.text: doesn't has to /have to
negative_passages.docid: 48737
negative_passages.text: Using “used to” vs "would" when expressing something done in the past
negative_passages.docid: 2182
negative_passages.text: vs. . Which to use?
negative_passages.docid: 27037
negative_passages.text: Usage of 'shall' in questions