く・ に-ly: quickly, quietly, well
English turns "quiet" into "quietly" to say how something is done. Japanese changes the い of an い-adjective to く, and adds に to a な-adjective.
I get up early every morning.
I closed the door quietly.
I slept well last night.
い-adjective
早い → 早く + verb
な-adjective
静か + に + verb
いい
いい → よく + verb
All three come before the verb. English usually puts "-ly" words after it.
| Before a noun | Before a verb | |
|---|---|---|
| い-adjective | 早い | 早く |
| な-adjective | 静かな | 静かに |
| いい | いい天気, good weather | よく |
How something is done
The children are playing in the schoolyard, full of energy.
Hurry up! The bus is coming.
By itself, 早く is "hurry up".
Thank you so much.
本当 (true) with に: "truly", "really".
きれい ends in い but is a な-adjective, so it takes に. There is no きれく.
Please write neatly.
Where English has no "-ly"
English often leaves the adjective as it is: "get up early", "cut it short", "write it big". Japanese still changes it, whether it says how you do something or how the thing ends up.
I had my hair cut short yesterday.
The teacher wrote the name in large letters.
Not said: 毎朝、
(I get up early every morning.)
よく: well, and often
よく is the く form of いい. It is "well" in the sense of fully or properly: you sleep well, understand well, listen carefully. It is also the everyday word for "often".
I often go shopping with my family on weekends.
Often.
"Well" in the sense of skillfully is 上手に. よく in its place is usually heard as "often".
Slowly is ゆっくり
Not every "-ly" word comes from an adjective. "Slowly" is ゆっくり, a word of its own. 遅く is mostly "late".
I am not very good at Japanese yet, so please speak slowly.
Since tomorrow is a day off, I will get up a little later.
When に is something else
After a noun or a verb, に has other jobs.
Close neighbours
くする・にするN5
With する they mean "make it so". 静かにしてください is "please be quiet".
Please turn the volume down.
な-adjectives, and which words ending in い are among them.
I saw a famous garden.
Check yourself
1"Please cut the vegetables small."
野菜を
Choose an answer to see why.
2Which one fits?
部屋を
Choose an answer to see why.
3What does this most likely mean?
父は
Choose an answer to see why.
More detail
早く and 速く
Both are read はやく. 早く is early or soon. 速く is fast.
すごく
すごく, from すごい (amazing), is an everyday "really". It goes before adjectives too.
This cake is really good.
近く and 遠く
These two are also used as nouns: 駅の近く, the area near the station.
More sentences
She writes neatly.
Please answer the question honestly.
You should go to bed early today.
The door closed quietly.