「する」(する) - To Do

Explanation

「する」 is a fundamental and essential verb in Japanese, meaning "to do." It is primarily used to indicate the execution of an action or activity. In sentences, 「する」 can combine with nouns, adjectives, or other verbs to form various compound expressions.

Grammar Pattern

Grammar Point	Connection	Explanation
N + をする	Noun + を	Indicates performing a specific action or activity.

Basic Usage

「する」 is an irregular verb with various conjugated forms, such as the past tense 「した」, negative form 「しない」, and potential form 「できる」. Here are some basic examples:

• 彼かれは宿題しゅくだいをする。
• Kare wa shukudai o suru.
• He does his homework.
  

• 彼女かのじょは掃除そうじをした。
• Kanojo wa souji o shita.
• She cleaned.
  

• 私わたしは明日あしたこの仕事しごとをしない。
• Watashi wa ashita kono shigoto o shinai.
• I won’t do this work tomorrow.
  

Compound Expressions

「する」 can combine with nouns to form compound verbs, expressing more complex actions or activities. For example:

• 勉強べんきょうする：To study
• 運動うんどうする：To exercise

• 彼かれは毎日まいにち日本語にほんごを勉強べんきょうする。
• Kare wa mainichi nihongo o benkyou suru.
• He studies Japanese every day.
  

• 私わたしは朝あさジョギングじょぎんぐを運動うんどうする。
• Watashi wa asa jogingu o undou suru.
• I jog in the morning as exercise.
  

Deep Dive

「する」 is one of the most commonly used verbs in Japanese and has multiple functions. It is not only used to express general "doing" but also appears in specific contexts, such as:

• Combining with nouns to form specific actions, like 「勉強する」 (to study) or 「掃除する」 (to clean).
• In casual conversation, it is often used to ask about someone’s current or planned activities.

Examples

• A: 明日あした何なにをする予定よていですか？
• Ashita nani o suru yotei desu ka?
• What are your plans for tomorrow?
  

• B: 午前中ごぜんちゅうは友達ともだちと一緒いっしょに買い物かいものをする予定よていです。
• Gozenchuu wa tomodachi to issho ni kaimono o suru yotei desu.
• I plan to go shopping with my friend in the morning.
  

• 彼かれは毎日まいにち日本語にほんごを勉強べんきょうする。
• Kare wa mainichi nihongo o benkyou suru.
• He studies Japanese every day.
  

Summary

「する」 is a versatile verb in Japanese with a wide range of applications. It can be used independently or combined with other words to create diverse expressions. Mastering the usage of 「する」 is crucial for learning and using Japanese effectively.