Learn Japanese I-adjectives

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Understanding I-Adjectives in Japanese
In Japanese, adjectives are words that describe things, like colors, sizes, or feelings. I-adjectives are one of the two main types of adjectives in Japanese. They are called 'I-adjectives' because they usually end with the sound 'i'.
How to Identify I-Adjectives
Important Points
  • I-adjectives usually end with the sound 'i' in their dictionary form.
  • They can describe things like temperature, size, and feelings.
  • Examples include words like 'atsui' (hot) and 'samui' (cold).
Using I-Adjectives in Sentences
I-adjectives can be used to describe nouns, just like in English. You place them before the noun you want to describe. For example, 'big dog' becomes 'ookii inu' in Japanese.
Examples
  • 大きい
  • 寒い
  • 楽しい時間
Changing I-Adjectives to the Negative Form
To say something is not something, you change the 'i' at the end of the adjective to 'kunai'. This is like saying 'not big' or 'not cold'.
Examples
  • 大きくない
  • 寒くない
  • 楽しくない
Changing I-Adjectives to the Past Form
To talk about the past, change the 'i' at the end of the adjective to 'katta'. This is like saying 'was big' or 'was cold'.
Examples
  • 大きかった
  • かった
  • 楽しかった
Important Things to Remember