query: "Had they not intervened" OR "If they had not intervened"
positive_passages.docid: 24661
positive_passages.text: "had they known" or "if they had known"
negative_passages.docid: 34504
negative_passages.text: "could have" vs "could"
negative_passages.docid: 141553
negative_passages.text: "I never was" vs. "I was never"
negative_passages.docid: 51157
negative_passages.text: 'Wouldn't wake up' vs. 'didn't wake up'
negative_passages.docid: 109854
negative_passages.text: “have despatched...yesterday” vs. “despatched … yesterday”
negative_passages.docid: 136402
negative_passages.text: past tense and/or conditional
negative_passages.docid: 38669
negative_passages.text: "Was" or "were" in subjunctive clauses
negative_passages.docid: 71907
negative_passages.text: "Didn't want to do X until Y happened" vs. "hadn't wanted to do X until Y happened"
negative_passages.docid: 117150
negative_passages.text: How could it had happened vs How could it have happened
negative_passages.docid: 132687
negative_passages.text: "I have no ..." vs. "I don't have ..."
negative_passages.docid: 16625
negative_passages.text: "... that had stopped half an hour ago" VS " ... that had stopped half an hour before/earlier"
negative_passages.docid: 151953
negative_passages.text: "No, I didn't see him" vs "Yes, I didn't see him"
negative_passages.docid: 150264
negative_passages.text: Is this correct: "I'd have to have had..."
negative_passages.docid: 87312
negative_passages.text: Using 'is' or 'was' when something is still true
negative_passages.docid: 134223
negative_passages.text: dummy "it" + was/were?
negative_passages.docid: 102159
negative_passages.text: “Has been” vs. “was”
negative_passages.docid: 7614
negative_passages.text: "Whether or not" vs. "whether"