"be to" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb"
      },
      "expansion": "be to",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "will; would or should in past tense",
          "word": "be going to"
        }
      ],
      "categories": [],
      "examples": [
        {
          "text": "Strange things were to occur all over the country."
        },
        {
          "text": "If we are to make it, we'd better get a taxi."
        },
        {
          "text": "If you were to find a wallet on the street, would you take it?"
        },
        {
          "text": "Were the government to ban zoos, it would put breeding programs at risk."
        }
      ],
      "glosses": [
        "Ellipsis of be going to; will; would or should in past tense."
      ],
      "id": "en-be_to-en-verb-MgoBQj4h",
      "links": [
        [
          "be going to",
          "be going to#English"
        ],
        [
          "will",
          "will"
        ],
        [
          "would",
          "would"
        ],
        [
          "should",
          "should"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "ellipsis"
      ]
    },
    {
      "categories": [
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "11 89",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "10 90",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "You are to hand in your essay by Friday."
        },
        {
          "text": "The CEO is to announce the new company strategy tomorrow."
        },
        {
          "text": "What is he to do in such a difficult situation?"
        },
        {
          "text": "How am I to reach the top shelf without a ladder?"
        },
        {
          "text": "The other players are cheaters and not to be trusted."
        }
      ],
      "glosses": [
        "Especially, to be expected to (do something)."
      ],
      "id": "en-be_to-en-verb-NOqXCfBK"
    }
  ],
  "word": "be to"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb"
      },
      "expansion": "be to",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "will; would or should in past tense",
          "word": "be going to"
        }
      ],
      "categories": [
        "English ellipses"
      ],
      "examples": [
        {
          "text": "Strange things were to occur all over the country."
        },
        {
          "text": "If we are to make it, we'd better get a taxi."
        },
        {
          "text": "If you were to find a wallet on the street, would you take it?"
        },
        {
          "text": "Were the government to ban zoos, it would put breeding programs at risk."
        }
      ],
      "glosses": [
        "Ellipsis of be going to; will; would or should in past tense."
      ],
      "links": [
        [
          "be going to",
          "be going to#English"
        ],
        [
          "will",
          "will"
        ],
        [
          "would",
          "would"
        ],
        [
          "should",
          "should"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "ellipsis"
      ]
    },
    {
      "examples": [
        {
          "text": "You are to hand in your essay by Friday."
        },
        {
          "text": "The CEO is to announce the new company strategy tomorrow."
        },
        {
          "text": "What is he to do in such a difficult situation?"
        },
        {
          "text": "How am I to reach the top shelf without a ladder?"
        },
        {
          "text": "The other players are cheaters and not to be trusted."
        }
      ],
      "glosses": [
        "Especially, to be expected to (do something)."
      ]
    }
  ],
  "word": "be to"
}