LEARN + JAPANESE / Note 97 JLPT N4

Have To (〜なければならない)

なければならない attaches to a verb or adjective’s negative stem and expresses obligation, literally “if not, it won’t do.” It’s built from two pieces you already have, ば (if) and ならない (won’t become okay), stacked together into a single fixed phrase.

In Real Life
The literal shape is “verb-ば-negative + ならない,” if you don’t do it, it doesn’t work out. In practice it just reads as a plain obligation, “have to,” with none of that literal if-then logic surfacing in translation.
In Real Life
い-adjectives swap い for くなければならない (優しくなければならない), and な-adjectives and nouns add でなければならない (便利でなければならない), following the same negative-stem pattern that なくて also builds on.

Vocabulary

JapaneseEnglish