I-Adjective Past Negative

Form

I-Adjective Past Negative

Level

N5

Used for

Expressing a past negative state for an i-adjective.

Rule

Remove the final -i of the i-adjective, change to -kunai, and add -かった (-katta) resulting in -くなかった (-kunakatta).

Worked examples

高い → 高くなかった (takai → takakunakatta), 暑い → 暑くなかった (atsui → atsukunakatta), 優しい → 優しくなかった (yasashii → yasashikunakatta)

Exceptions

いい (ii) becomes よかった in affirmative, but for past negative it becomes よくなかった (yokunakatta).

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