i-adectives: past negation – kunakatta-form


You can also express a negative meaning of an i-adjective that happens in the past. In English this is the equivalent to “was not”. Building this form is very similar to the kunai-form. You remove the い (i) at the end of the plain form and add くなかった (kunakatta) to the stem of the i-adjective as described in the following examples:

  • 高い => 高- => 高 + くなかった => 高くなかった
  • takai => taka- => taka + kunakatta => takakunakatta
Plain Form Romaji Meaning Negation Romaji Meaning
高い takai high 高くなかった takakunakatta was not high
安い yasui cheap 安くなかった yasukunakatta was not cheap
美味しい oishii tasty 美味しくなかった oishikunakatta was not tasty
広い hiroi spacious 広くなかった hirokunakatta was not spacious
寂しい sabishii lonely 寂しくなかった sabishikunakatta was not lonely

Example

Kanji 昨日の授業はあまり面白くなかったです。
Furigana きのうのじゅぎょうはあまりおもしろくなかったです。
Romaji kinou no jugyou wa amari omoshirokunakatta desu.
English Yesterday’s lesson was not very interesting.

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