〜ないといけない / 〜なくちゃ

import { getGrammarById } from 'kotowa';
getGrammarById('nai-to-ikenai-nakucha');

{
  "id": "nai-to-ikenai-nakucha",
  "pattern": "〜ないといけない / 〜なくちゃ",
  "romaji": "nai to ikenai / nakucha",
  "level": "N4",
  "meaning": "have to; must (conversational)",
  "formation": "Verb-nai + といけない / Verb-nai stem + なくちゃ",
  "examples": [
    {
      "ja": "明日は早いから、もう寝ないといけない。",
      "furigana": "{明日|あした}は{早|はや}いから、もう{寝|ね}ないといけない。",
      "en": "I have an early start tomorrow, so I need to go to bed now."
    },
    {
      "ja": "あ、もうこんな時間！帰らなくちゃ。",
      "furigana": "あ、もうこんな{時間|じかん}！{帰|かえ}らなくちゃ。",
      "en": "Oh, look at the time! I have to go home."
    },
    {
      "ja": "この薬は毎日飲まないといけません。",
      "furigana": "この{薬|くすり}は{毎日|まいにち}{飲|の}まないといけません。",
      "en": "You have to take this medicine every day."
    }
  ],
  "tags": [
    "obligation",
    "casual"
  ],
  "notes": "Everyday alternatives to なければならない. なくちゃ comes from なくては; なきゃ (from なければ) is also very common.",
  "zh": {
    "status": "reviewed",
    "source_hash": "c80be5291f770416be3b2735302dfae97f08e805d61995290d3b6e5b6f545e1c",
    "meanings": [
      "必须",
      "得（口语）"
    ],
    "formation": "动词ない形＋といけない／动词ない形去ない＋なくちゃ",
    "explanation": "在口语中表示必须做某事。",
    "notes": "なくちゃ来自なくては；なきゃ也很常见。",
    "examples": [
      {
        "ja": "明日は早いから、もう寝ないといけない。",
        "zh": "明天要早起，我得睡了。"
      },
      {
        "ja": "あ、もうこんな時間！帰らなくちゃ。",
        "zh": "啊，都这个时间了！得回去了。"
      },
      {
        "ja": "この薬は毎日飲まないといけません。",
        "zh": "这药每天都得吃。"
      }
    ],
    "references": [
      "sources/grammar/n4.json#nai-to-ikenai-nakucha",
      "Original Chinese authored and reviewed by Codex; no independent human review"
    ],
    "reviewer": "Codex",
    "review_method": "ai",
    "reviewed_at": "2026-10-28",
    "review_hash": "ca4c1649ea1d36ef9855882d99f12ecd4b8bfc350713c0f1316275281fd9f4c3"
  }
}