Meaning
In Japanese, adjectives can be converted to adverbs to describe how an action is performed. For i-adjectives, remove the final い and add く. For na-adjectives, add に after removing な. The adverb is then placed before the verb it modifies.
Formation
| Part of speech | Formation |
|---|---|
| い形容詞（…い→）く | ＋動詞 |
| な形容詞＋に | ＋動詞 |
Examples
-
速く歩きます。
I walk quickly. -
もうすぐ試験ですから、真面目に勉強してください。
Since the exam is coming up soon, please study seriously. -
晩ご飯の後、わたしはお皿をきれいに洗いました。
After dinner, I washed the dishes cleanly.
Summary
- i-adjectives: change い to く (早い → 早く)
- na-adjectives: add に (真面目な → 真面目に)
- Place the adverb immediately before the verb it describes