Learning objectives
- Lesson goals: Review the four basic forms of i-adjectives: affirmative/negative × present/past.
- Form and connection: [いAdjective去い] くなかった / かった
- Nuance in real use: The four forms of i-adjectives create a complete two-dimensional matrix: now-is/isn't, then-was/wasn't. Japanese speakers use these four changes to precisely locate every description in time.
Form and connection
Core Explanation
Review the four basic forms of i-adjectives: affirmative/negative × present/past.
Cultural Note
Practical examples
Common pitfalls
Build the base form before adding the pattern
Complete the required conjugation first. Do not keep polite and plain endings at the same time.
Match politeness to the situation
The examples are reliable starting points; relationships and context can still change the most natural wording.
Practice and answers
Show answer
[いAdjective去い] くなかった / かったShow answer
Yesterday was cold.Show answer
天気てんきがよかったです。 ([いAdjective去い] くなかった / かった)Continue learning
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