"to've" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "to",
        "3": "'ve"
      },
      "expansion": "to + 've",
      "name": "compound"
    }
  ],
  "etymology_text": "to + 've",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "contraction",
        "head": ""
      },
      "expansion": "to've",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "to've",
      "name": "en-cont"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "contraction",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1857, Samuel H. Hammond, Wild northern scenes, page 166",
          "text": "I've met with some queer adventures, as you call them, in these woods too; some that I wouldn't have gone out arter if I'd known what they were to 've been afore I started.",
          "type": "quotation"
        },
        {
          "ref": "2006, Jane Stevenson, Good women: three novellas, page 25",
          "text": "The fireplace is supposed to've been there since about 1900, so in an ideal world, we'd have old-white panelling and a dado.",
          "type": "quotation"
        },
        {
          "ref": "2010, Arlen Blumhagen, Mount: A Mountain Man's Adventures",
          "text": "That damned thing had to've been fifteen hundred feet long by five hundred feet wide and over a hundred feet tall.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to have (with to as infinitive)"
      ],
      "id": "en-to've-en-contraction-URWzSK~Y",
      "links": [
        [
          "to",
          "to"
        ],
        [
          "have",
          "have"
        ]
      ],
      "tags": [
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tuː.əv/"
    }
  ],
  "word": "to've"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "to",
        "3": "'ve"
      },
      "expansion": "to + 've",
      "name": "compound"
    }
  ],
  "etymology_text": "to + 've",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "contraction",
        "head": ""
      },
      "expansion": "to've",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "to've",
      "name": "en-cont"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "contraction",
  "senses": [
    {
      "categories": [
        "English 2-syllable words",
        "English compound terms",
        "English contractions",
        "English entries with incorrect language header",
        "English non-lemma forms",
        "English terms with IPA pronunciation",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1857, Samuel H. Hammond, Wild northern scenes, page 166",
          "text": "I've met with some queer adventures, as you call them, in these woods too; some that I wouldn't have gone out arter if I'd known what they were to 've been afore I started.",
          "type": "quotation"
        },
        {
          "ref": "2006, Jane Stevenson, Good women: three novellas, page 25",
          "text": "The fireplace is supposed to've been there since about 1900, so in an ideal world, we'd have old-white panelling and a dado.",
          "type": "quotation"
        },
        {
          "ref": "2010, Arlen Blumhagen, Mount: A Mountain Man's Adventures",
          "text": "That damned thing had to've been fifteen hundred feet long by five hundred feet wide and over a hundred feet tall.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "to have (with to as infinitive)"
      ],
      "links": [
        [
          "to",
          "to"
        ],
        [
          "have",
          "have"
        ]
      ],
      "tags": [
        "contraction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/tuː.əv/"
    }
  ],
  "word": "to've"
}