"過去形" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "過%去",
        "2": "か%こ",
        "3": "形",
        "4": "けい",
        "t1": "past",
        "t2": "form"
      },
      "expansion": "過(か)去(こ) (kako, “past”) + 形(けい) (kei, “form”)",
      "name": "com-ja"
    }
  ],
  "etymology_text": "Compound of 過(か)去(こ) (kako, “past”) + 形(けい) (kei, “form”).",
  "forms": [
    {
      "form": "過去形",
      "ruby": [
        [
          "過",
          "か"
        ],
        [
          "去",
          "こ"
        ],
        [
          "形",
          "けい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kakokei",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "かこけい"
      },
      "expansion": "過(か)去(こ)形(けい) • (kakokei)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Grammar",
          "orig": "ja:Grammar",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "The past tense of “do” is “did.”",
          "roman": "“Do” no kakokei wa “did” da.",
          "ruby": [
            [
              "過",
              "か"
            ],
            [
              "去",
              "こ"
            ],
            [
              "形",
              "けい"
            ]
          ],
          "text": "“do”の過去形は“did”だ。"
        }
      ],
      "glosses": [
        "past tense"
      ],
      "id": "en-過去形-ja-noun-~L6w~4eN",
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "past tense",
          "past tense"
        ]
      ],
      "raw_glosses": [
        "(grammar) past tense"
      ],
      "tags": [
        "past"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ka̠ko̞ke̞ː]"
    }
  ],
  "word": "過去形"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "過%去",
        "2": "か%こ",
        "3": "形",
        "4": "けい",
        "t1": "past",
        "t2": "form"
      },
      "expansion": "過(か)去(こ) (kako, “past”) + 形(けい) (kei, “form”)",
      "name": "com-ja"
    }
  ],
  "etymology_text": "Compound of 過(か)去(こ) (kako, “past”) + 形(けい) (kei, “form”).",
  "forms": [
    {
      "form": "過去形",
      "ruby": [
        [
          "過",
          "か"
        ],
        [
          "去",
          "こ"
        ],
        [
          "形",
          "けい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kakokei",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "かこけい"
      },
      "expansion": "過(か)去(こ)形(けい) • (kakokei)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fifth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant manual transliterations",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples",
        "Japanese terms written with three Han script characters",
        "ja:Grammar"
      ],
      "examples": [
        {
          "english": "The past tense of “do” is “did.”",
          "roman": "“Do” no kakokei wa “did” da.",
          "ruby": [
            [
              "過",
              "か"
            ],
            [
              "去",
              "こ"
            ],
            [
              "形",
              "けい"
            ]
          ],
          "text": "“do”の過去形は“did”だ。"
        }
      ],
      "glosses": [
        "past tense"
      ],
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "past tense",
          "past tense"
        ]
      ],
      "raw_glosses": [
        "(grammar) past tense"
      ],
      "tags": [
        "past"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ka̠ko̞ke̞ː]"
    }
  ],
  "word": "過去形"
}