～なければ ならない JLPT N4 Formal
〜nakereba naranai
Express obligation or necessity; 'must', 'have to', 'need to'.
The full, uncontracted form; safe in writing and formal speech.
Formation
Verb-ない form + なければ ならない
Explanation
The ～なければ ならない grammar point is used to express obligation or necessity. In English, it can be translated as 'must', 'have to', or 'need to'. The formation differs depending on whether it is used with a verb. It cannot be used with い-adjectives, な-adjectives or nouns.
Example sentences
宿題をやらなければならない。
I have to do my homework.
Shukudai wo yaranakereba naranai.
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I have to read this book by tomorrow.
Ashita made ni kono hon wo yomanakereba naranai.
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I have to wake up early so I don't be late for class.
Jugyou ni okurenai you ni, hayaku okinakereba naranai.
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I have to buy a ticket before going on a trip.
Ryokou ni iku mae ni kippu wo kawanakereba naranai.