Use 心配する to talk about concern for someone or something.
The idea
心配する is a する verb. Mark the person or thing you worry about with を: 家族を心配します. Its polite forms include 心配します and 心配しました; 心配しています describes an ongoing concern.
| Dictionary form | Polite non-past | Polite negative | Polite past | て form |
|---|---|---|---|---|
| 心配する | 心配します | 心配しません | 心配しました | 心配して |
Examples
- 私は家族を心配します。I worry about my family.
- 母は弟を心配しました。My mother worried about my younger brother.
- 試験を心配しません。I do not worry about the exam.
- 心配しないでください。Please do not worry.
- 友達がまだ来ていないので、心配しています。I am worried because my friend has not arrived.
- 父は私の健康を心配しています。My father is worried about my health.
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Watch out
心配 is also a noun and a な-adjective: 家族が心配です means “I am worried about my family”. Do not transfer that が mechanically to the object of 心配する.
Try it yourself
＿。（心配する→ます）
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心配します
心配します is the polite non-past form: する changes to します.
＿。（心配する→て）
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心配して
心配して is the て form of the irregular verb する; it can join another expression.
家族＿心配します。（を／に）
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を
を marks 家族 as the person or group being worried about in this verb sentence.
Practice round
Answer questions, then rebuild Japanese sentences where available. We keep your score.
＿。（心配する→ます）
＿。（心配する→て）
家族＿心配します。（を／に）
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
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Write a sentence about someone you worry about, then change the verb to the polite past.