～ねばならない (〜neba naranai)
Explanation
Expresses obligation or necessity; 'must', 'have to', 'need to'.
Formation
Verb-ない form → (remove い) → ね + ばならない
Detailed Explanation
The ～ねばならない grammar point is used to express obligation or necessity. It can be translated as 'must', 'have to', or 'need to' in English. This grammar point is mainly used with verbs, indicating that the action must be done.
Examples
試験に合格するために、もっと勉強せねばならない。
Shiken ni goukaku suru tame ni, motto benkyou se neba naranai.
To pass the exam, I must study more.
飛行機に間に合うためには、急がねばならない。
Hikouki ni maniau tame ni wa, isoga neba naranai.
To catch the flight, I must hurry.
６時までに帰らねばならない。
Roku ji made ni kaera neba naranai.
I have to go home by 6 o'clock.
この仕事を今日中に終わらせねばならない。
Kono shigoto wo kyoujuu ni owarase neba naranai.
I need to finish this work by the end of the day.
Grammar content sourced from hanabira.org.