{
  "provenance": {
    "source": "Metkagram",
    "source_url": "https://metkagram.github.io",
    "source_repository": "https://github.com/metkagram/metkagram.github.io",
    "creator": "Metkagram",
    "creator_url": "https://github.com/metkagram",
    "maintainer": "Applied Systems Lab at MetalHatsCats",
    "maintainer_url": "https://metalhatscats.com",
    "license": "CC BY-NC 4.0",
    "license_url": "https://creativecommons.org/licenses/by-nc/4.0/",
    "attribution_required": true,
    "attribution_text": "Source: Metkagram — https://metkagram.github.io/",
    "attribution_html": "Source: <a href=\"https://metkagram.github.io/\">Metkagram</a>",
    "terms_url": "https://metkagram.github.io/en/legal/terms/",
    "privacy_url": "https://metkagram.github.io/en/legal/privacy/",
    "contact_url": "https://metalhatscats.com/contact",
    "collaboration_url": "https://metkagram.github.io/en/ai/#collaborate",
    "dataset_version": "1.0.0+20260715",
    "release_date": "2026-07-15",
    "canonical_url": "https://metkagram.github.io/en/explore/english/library/sd19ZLouTUV2fqKKvW2c/",
    "record_type": "annotated_document",
    "record_id": "sd19ZLouTUV2fqKKvW2c",
    "content_hash": "5d91aa36d485552a64f70ec000e0be0b534ccd0968f62bf149bbc42086a2ecbf"
  },
  "data": {
    "id": "sd19ZLouTUV2fqKKvW2c",
    "language": "enGram",
    "hotlist": false,
    "type": "usual",
    "title": "Describe Duration with \"For\" and \"Since\"",
    "changedOn": "2024-05-22T19:04:52.380Z",
    "isPriority": false,
    "url": "",
    "isInProcess": false,
    "course": "",
    "rank": null,
    "progress": {
      "times": 0,
      "numOfReps": 0
    },
    "comment": "Using \"for\" and \"since\" helps us describe how long something has been happening. \"For\" is used to talk about a period of time, and \"since\" is used to indicate the starting point of that time. ",
    "refId": "",
    "repeatedOn": "2024-05-22T18:52:50.550Z",
    "user": "VR6BLj6E84W7JFcPkk4oTLS671F3",
    "isReported": false,
    "group": "0GmSJFRrWrSqi4A6yCOH",
    "version": "enGram 3.4, Jan 2024",
    "annotations": [
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "She has been studying for three hours without a break.",
        "id": "LIB-55a04cf3-9198-4982-8c78-53170e115412",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "She ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "has ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "H",
                  "tag": "tag"
                },
                {
                  "text": "been ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "pA",
                  "tag": "tag"
                },
                {
                  "text": "studying ",
                  "tag": "VBG"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "for ",
              "tag": "prep"
            },
            {
              "text": "three ",
              "tag": "nummod"
            },
            {
              "text": "hours ",
              "tag": "pobj"
            },
            {
              "text": "without ",
              "tag": "prep"
            },
            {
              "text": "a ",
              "tag": "det"
            },
            {
              "text": "break",
              "tag": "pobj"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "They lived in Italy for five years before moving to France.",
        "id": "LIB-51bb8aad-d9ef-4053-af04-47e93516d5a0",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "They ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "V",
                  "tag": "tag"
                },
                {
                  "text": "lived ",
                  "tag": "VBD"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "in ",
              "tag": "prep"
            },
            {
              "text": "Italy ",
              "tag": "pobj"
            },
            {
              "text": "for ",
              "tag": "prep"
            },
            {
              "text": "five ",
              "tag": "nummod"
            },
            {
              "text": "years ",
              "tag": "pobj"
            },
            {
              "text": "before ",
              "tag": "prep"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "pA",
                  "tag": "tag"
                },
                {
                  "text": "moving ",
                  "tag": "VBG"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "to ",
              "tag": "prep"
            },
            {
              "text": "France",
              "tag": "pobj"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "He worked at the company for ten years before retiring.",
        "id": "LIB-f5e56cb3-6519-43a1-b7c3-df8914e29f22",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "He ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "V",
                  "tag": "tag"
                },
                {
                  "text": "worked ",
                  "tag": "VBD"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "at ",
              "tag": "prep"
            },
            {
              "text": "the ",
              "tag": "det"
            },
            {
              "text": "company ",
              "tag": "pobj"
            },
            {
              "text": "for ",
              "tag": "prep"
            },
            {
              "text": "ten ",
              "tag": "nummod"
            },
            {
              "text": "years ",
              "tag": "pobj"
            },
            {
              "text": "before ",
              "tag": "prep"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "pA",
                  "tag": "tag"
                },
                {
                  "text": "retiring",
                  "tag": "VBG"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "We have known each other since we were children.",
        "id": "LIB-a5709cf9-971a-4290-9694-4562d9da7b9e",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "We ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "have ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "v2",
                  "tag": "tag"
                },
                {
                  "text": "known ",
                  "tag": "VBN"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "each ",
              "tag": "det"
            },
            {
              "text": "other ",
              "tag": "dobj"
            },
            {
              "text": "since ",
              "tag": "mark"
            },
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "we ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "st",
                  "tag": "tag"
                },
                {
                  "text": "were ",
                  "tag": "advcl"
                }
              ],
              "text": " ",
              "tag": "Verb-Mark"
            },
            {
              "text": "p2",
              "tag": "tag"
            },
            {
              "text": "children",
              "tag": "attr"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "know — knew  — known",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "She has been practicing piano since she was six years old.",
        "id": "LIB-d2d10715-9754-45c0-9193-5b5d0a42b398",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "She ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "has ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "H",
                  "tag": "tag"
                },
                {
                  "text": "been ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "pA",
                  "tag": "tag"
                },
                {
                  "text": "practicing ",
                  "tag": "VBG"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "piano ",
              "tag": "dobj"
            },
            {
              "text": "since ",
              "tag": "mark"
            },
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "she ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "st",
                  "tag": "tag"
                },
                {
                  "text": "was ",
                  "tag": "advcl"
                }
              ],
              "text": " ",
              "tag": "Verb-Mark"
            },
            {
              "text": "six ",
              "tag": "nummod"
            },
            {
              "text": "years ",
              "tag": "npadvmod"
            },
            {
              "children": [
                {
                  "text": "p2",
                  "tag": "tag"
                },
                {
                  "text": "old",
                  "tag": "acomp"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "He has been working on this project since last month.",
        "id": "LIB-1e1eb6ca-5859-49fe-8330-5535861b4108",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "He ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "has ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "H",
                  "tag": "tag"
                },
                {
                  "text": "been ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "pA",
                  "tag": "tag"
                },
                {
                  "text": "working ",
                  "tag": "VBG"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "on ",
              "tag": "prep"
            },
            {
              "text": "this ",
              "tag": "det"
            },
            {
              "text": "project ",
              "tag": "pobj"
            },
            {
              "text": "since ",
              "tag": "prep"
            },
            {
              "text": "last ",
              "tag": "amod"
            },
            {
              "text": "month",
              "tag": "pobj"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "How long have you been learning English?",
        "id": "LIB-5f6f8f92-f1bf-4e62-8b1a-45b51a613a5a",
        "text_span": {
          "children": [
            {
              "text": "How ",
              "tag": "advmod"
            },
            {
              "text": "long ",
              "tag": "advmod"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "have ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "you ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "H",
                  "tag": "tag"
                },
                {
                  "text": "been ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "pA",
                  "tag": "tag"
                },
                {
                  "text": "learning ",
                  "tag": "VBG"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "English",
              "tag": "dobj"
            },
            {
              "text": "?",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "learn — learnt  — learnt",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "I have been waiting for you for over an hour.",
        "id": "LIB-96930d24-1268-4c77-94e5-6ef94710cbad",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "I ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "have ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "H",
                  "tag": "tag"
                },
                {
                  "text": "been ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "pA",
                  "tag": "tag"
                },
                {
                  "text": "waiting ",
                  "tag": "VBG"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "for ",
              "tag": "prep"
            },
            {
              "text": "you ",
              "tag": "pobj"
            },
            {
              "text": "for ",
              "tag": "prep"
            },
            {
              "text": "over ",
              "tag": "quantmod"
            },
            {
              "text": "an ",
              "tag": "nummod"
            },
            {
              "text": "hour",
              "tag": "pobj"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "over an hour",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "She has lived in this city for her entire life.",
        "id": "LIB-a5ca2c06-86dd-4768-9a49-bba3c9575cfb",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "She ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "has ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "v2",
                  "tag": "tag"
                },
                {
                  "text": "lived ",
                  "tag": "VBN"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "in ",
              "tag": "prep"
            },
            {
              "text": "this ",
              "tag": "det"
            },
            {
              "text": "city ",
              "tag": "pobj"
            },
            {
              "text": "for ",
              "tag": "prep"
            },
            {
              "text": "her ",
              "tag": "poss"
            },
            {
              "text": "entire ",
              "tag": "amod"
            },
            {
              "text": "life",
              "tag": "pobj"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "her entire life",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "We have been traveling since early this morning.",
        "id": "LIB-a2df2c75-65eb-4a3c-8d56-096fee6ef924",
        "text_span": {
          "children": [
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "We ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "have ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "H",
                  "tag": "tag"
                },
                {
                  "text": "been ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "pA",
                  "tag": "tag"
                },
                {
                  "text": "traveling ",
                  "tag": "VBG"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "since ",
              "tag": "prep"
            },
            {
              "text": "early ",
              "tag": "pobj"
            },
            {
              "text": "this ",
              "tag": "det"
            },
            {
              "text": "morning",
              "tag": "npadvmod"
            },
            {
              "text": ".",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "early this morning",
        "isFavorite": null
      },
      {
        "translated_text": "",
        "userWords": "",
        "original_text": "How long have you been friends with Sarah?",
        "id": "LIB-63985f7a-f525-4da4-b0a2-3b86ea392bd7",
        "text_span": {
          "children": [
            {
              "text": "How ",
              "tag": "advmod"
            },
            {
              "text": "long ",
              "tag": "advmod"
            },
            {
              "children": [
                {
                  "extra": "Pres",
                  "text": "Hr",
                  "tag": "tag"
                },
                {
                  "text": "have ",
                  "tag": "aux"
                }
              ],
              "text": "",
              "tag": "Verb-Mark"
            },
            {
              "text": "S",
              "tag": "tag"
            },
            {
              "text": "you ",
              "tag": "PRP_nsubj"
            },
            {
              "children": [
                {
                  "extra": "Past",
                  "text": "st",
                  "tag": "tag"
                },
                {
                  "text": "been ",
                  "tag": "ROOT"
                }
              ],
              "text": " ",
              "tag": "Verb-Mark"
            },
            {
              "text": "p2",
              "tag": "tag"
            },
            {
              "text": "friends ",
              "tag": "attr"
            },
            {
              "text": "with ",
              "tag": "prep"
            },
            {
              "text": "Sarah",
              "tag": "pobj"
            },
            {
              "text": "?",
              "tag": "punct"
            }
          ],
          "text": "",
          "tag": "Sentence"
        },
        "chunkList": "",
        "isFavorite": null
      }
    ]
  }
}