query: What’s the difference between these two “she saw”, “she has seen”?
positive_passages.docid: 13828
positive_passages.text: Canonical Post #2: What is the perfect, and how should I use it?
negative_passages.docid: 75433
negative_passages.text: Differences among "It feels...", "It looks...", and "It seems..."
negative_passages.docid: 25303
negative_passages.text: What is the difference between "I've been to China" and "I've gone to China"?
negative_passages.docid: 102159
negative_passages.text: “Has been” vs. “was”
negative_passages.docid: 92736
negative_passages.text: Comparing negatives: "she seems not to know" vs. "she doesn't seem to know"
negative_passages.docid: 78956
negative_passages.text: cat eye vs. cat's eye
negative_passages.docid: 10027
negative_passages.text: What the difference is here? Are you seeing ? VS Do you see?
negative_passages.docid: 157390
negative_passages.text: What is the difference between three sentences?
negative_passages.docid: 71690
negative_passages.text: "Is" vs "has been" in English
negative_passages.docid: 39446
negative_passages.text: 'Should've seen it glow' or 'should've seen it glowing'?
negative_passages.docid: 92969
negative_passages.text: "got" vs. "have got"
negative_passages.docid: 128120
negative_passages.text: "Has been" vs "was"
negative_passages.docid: 35907
negative_passages.text: Is there a simple and clear way to explain the difference between past simple and present perfect?
negative_passages.docid: 47408
negative_passages.text: Difference between "been to" and "been in"
negative_passages.docid: 75236
negative_passages.text: "have read" vs "read" - Is this simple present vs present perfect?
negative_passages.docid: 110717
negative_passages.text: Present Simple vs Present Progressive
negative_passages.docid: 119136
negative_passages.text: "done" vs "have done"