い
(I)
い-adjective non-past (affirmative).
Connection rules
- +Stem + い (e.g., 高い, 新しい, 美味しい)
- +Do not use だ or です as a copula with い-adjectives; です after an い-adjective is purely a politeness marker.
- +いい ('good') is irregular in past and negative forms — see i-adjective-negative and i-adjective-past.
Examples
1.
この本は高いです。

Kono hon wa takai desu.
This book is expensive.
「い-adjective non-past (affirmative)」
2.
その映画は面白い。

Sono eiga wa omoshiroi.
That movie is interesting. (plain)
「い-adjective non-past (affirmative)」
Practice
This dictionary is expensive.
この辞書は___。
Romaji also accepted