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開 ひらかなければならない
hirakanakereba naranai

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Godan Verb (ku)
, 
i-Adjective

Expresses obligation ("must do") of 開く

1. Must open; Have to open; Need to open

Obligation
, 
Mathematics
, 
Computing
, 
Sports
, 
Go
, 
Food

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開かなければならない

開かなければならない【ひらかなければならない】 Activity

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