Grammar Info
N5 Lesson 4: 5/13

する
To do, To make into

Although not common, 為る kanji use can be seen

Structure
Casual
Formal
する
します
Details
Part of Speech Verb
Word Type Independent Word
Register Standard
品詞 動詞
単語の種類 自立語
使用域 一般
為る
Information
する verbs are one of only two verbs in Japanese that do not follow the standard rules of conjugation for Godan and Ichidan verbs. The other primary verb being 来(く)る. する means to do something, or to make something a certain way.
  • 洗濯(せんたく)する
    To do laundry.
  • 料理(りょうり)する
    To cook. (Literally ‘to do food’)
する will almost always have the particle attached to the thing that is being done (depending on the form of the verb). The reason that する verbs are called さ-column irregular conjugation verbs in Japanese is because the る in する does not conjugate, but is dropped.
This will leave す to be the part that conjugates. Because of this, する has qualities of both る-Verbs (the る being dropped), and う-Verbs (the remaining す changing, depending on the conjugation). Here are some examples of how する changes.
(さ)せる, (し)ます, (す)る, (せ)よ
We will learn more about each of these conjugations of する, and their individual meanings at a later stage. For now, let’s take a look at the polite します conjugation.
  • 電話(でんわ)します
    To make a call.
  • 勉強(べんきょう)します
    To study.
In a broader sense, する can be thought of as meaning ‘to do something that has an external effect’.
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サッカーする
To play soccer.
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サッカーします
To play soccer.
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何(なに)します
What will you do?
Play  
Online
Books
Genki I
Page 59
Genki I 2nd Edition
Page 89
みんなの日本語 I
Page 44 [CH 6]
[DBJG] A Dictionary of Basic Japanese Grammar
Page 428