KANAKUMA

JLPT N5 · Adjective forms

Aいです／Aい + N

Forms the basic use of an i-adjective

Meaning

Forms the basic use of an i-adjective.

Formation

  1. Predicate: i-adjective + です: 面白いです (です does not change い)
  2. Before a noun it stays as it is: 赤い車

When to use it

Core use
Forms the basic use of an i-adjective

Examples

13 sentences

  • この本ほんは面白いおもしろいです

    This book is interesting.

  • 赤いあかい車くるまです

    It is a red car.

  • 駅えきの近くちかくに大きいおおきい本屋ほんやがあります

    There is a large bookshop near the station.

  • この道みちは狭せまいです

    This road is narrow.

  • この帽子ぼうしは軽かるいです

    This hat is light.

  • 朝あさの空気くうきは冷たつめたいです

    The morning air is cold.

  • この部屋へやはあまり広ひろくないです

    This room is not very spacious.

  • 寒さむい日ひは家いえで本ほんを読みよみます

    On cold days I read at home.

5 more examples

  • このカレーは辛からいです

    This curry is spicy.

  • 海うみの水みずは温かあたたかいです

    The sea water is warm.

  • その説明せつめいは長ながいです

    That explanation is long.

  • 今日きょうの空そらは青あおいです

    Today's sky is blue.

  • この方法ほうほうはよいです

    This method is good.

Important notes

  • An i-adjective inflects by itself for tense and negation; です only adds politeness: 高いです, 高くなかったです. Before a noun it needs no な or の: 赤い車.

Common mistakes

  • Not every word ending in い is an i-adjective: きれい and 嫌い are na-adjectives, so きれいな靴, not きれい靴.

Check yourself

Pick the translation of each sentence. The wrong options translate similar patterns, so watch the grammar rather than the words.

  1. このカレーは辛からいです
  2. その説明せつめいは長ながいです
  3. この方法ほうほうはよいです

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