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The Extended Use of the Verb "Suru"
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All About Verbs
Verb Conjugations

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The verb "suru (to do)" has many extended uses that occur quite often. Click here to learn the conjugation of the verb "suru".

To make

(a) Adverb form of I-adjective + suru
To change I-adjective to adverb form, replace the final ~i with ~ku. (e.g. ookii ---> ookiku)

Terebi no oto o ookiku shita.
テレビの音を大きくした。
I turned up the volume of the TV.

(b) Adverb form of Na-adjective + suru
To change Na-adjective to adverb form, replace the final ~na with ~ni. (e.g. kireina ---> kireini)

Heya o kireini suru.
部屋をきれいにする。
I'm cleaning the room.

To decide

It should be used when you are choosing from several available alternatives. Click here to learn more expressions when ordering at a restaurant.

Koohii ni shimasu.
コーヒーにします。
I'll have coffee.
Kono tokei ni shimasu.
この時計にします。
I'll take this watch.

To price

When accompanied by phrases indicating prices, it means "cost."

Kono kaban wa gosen en shimashita.
このかばんは五千円しました。
This bag cost 5,000 yen.

To feel, to smell, or to hear

Ii nioi ga suru.
いい匂いがする。
It smells good.
Nami no oto ga suru.
波の音がする。
I hear the sound of the waves.

Loan word + suru

The loan words are often combined with "suru" to change the word into a verb.

doraibu suru
ドライブする
to drive taipu suru
タイプする
to type
kisu suru
キスする
to kiss nokku suru
ノックする
to knock

Noun (of Chinese origin) + suru

It is combined with nouns of Chinese origin to make a noun into a verb.

benkyou suru
勉強する
to study sentaku suru
洗濯する
to do the washing
ryokou suru
旅行する
to travel shitsumon suru
質問する
to ask questions
denwa suru
電話する
to telephone yakusoku suru
約束する
to promise
sanpo suru
散歩する
to take a walk yoyaku suru
予約する
to reserve
shokuji suru
食事する
to have a meal souji suru
掃除する
to clean
kekkon suru
結婚する
to get married kaimono suru
買い物する
to shop
setsumei suru
説明する
to explain junbi suru
準備する
to prepare

The particle "o" can be used as an object particle after a noun. (e.g. "benkyou o suru," "denwa o suru") There is no difference in meaning with or without "o."

Adverb or Onomatopoetic expression + suru

Adverb or onomatopoeic expression can be combined with "suru" to change them into verbs.

yukkuri suru
ゆっくりする
to stay long bonyari suru
ぼんやりする
to be absent minded
niko niko suru
ニコニコする
to smile waku waku suru
ワクワクする
to be excited

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