〜なければなりません

must...; have to...

1. Overview

「〜なければなりません」 is a Japanese expression used to indicate an obligation or necessity to do something. It conveys that an action must be performed in order to fulfill a requirement or expectation.

2. Structure

• Grammar Structure:

  • Verb (negative form) + なければなりません
  • い形容词 (negative form) + なければなりません
  • な形容词 (negative form) + なければなりません
  • Noun + でなければなりません

• Explanation: This structure emphasizes that an action is not just advisable but is required or necessary.

3. Usage Explanation

• Connection: It is commonly used in formal situations, such as in instructions, rules, or guidelines, to express what needs to be done.

• Translation: Generally translated as "must..." or "have to...".

4. Example Sentences

1. 学校に行かなければなりません。
   I must go to school.

2. この問題は解決しなければなりません。
   This problem has to be solved.

3. 試験を受けるためには勉強しなければなりません。
   You have to study to take the exam.

4. 健康のために運動しなければなりません。
   You must exercise for your health.

5. 遅れないように、早く出発しなければなりません。
   I have to leave early to avoid being late.

5. Alternative Grammar

• 〜なくてはなりません: A slightly more casual variation of the same meaning.
  • Example: 行かなくてはなりません。
    I have to go.

6. Related Grammar

• 〜なければならない: Another form that conveys the same meaning.
  • Example: 勉強しなければならない。
    I must study.

7. Notes

• Context: 「〜なければなりません」 is used in formal and written contexts to state obligations or necessities, suitable for rules, regulations, and important instructions.

• Tone: This expression conveys a sense of necessity and seriousness regarding the obligation.

8. Summary

「〜なければなりません」 is an expression used to indicate that an action must be taken due to an obligation or necessity. It is widely used in formal contexts and emphasizes the importance of fulfilling certain actions or requirements.