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JLPT N3Grammar
~せいか

perhaps because, maybe because

Intermediate
20-25 min
common
Expert Reviewed

Explanation

Suggests a possible cause with some uncertainty.

Formation

[Noun の/な-adj な/い-adj/Verb plain] + せいか

Examples

疲れているせいか、集中できない。

Tsukarete iru sei ka, shuuchuu dekinai.

Perhaps because I am tired, I cannot concentrate.

年のせいか、最近物忘れが多い。

Toshi no sei ka, saikin monowasure ga ooi.

Maybe because of my age, I have been forgetful lately.

Common Mistakes to Avoid

せい often implies negative cause, おかげ for positive.

Study Tips

Memory Aids

  • せい = fault/cause + か = question → maybe because of

Practice Tips

Use when speculating about a negative cause.

JLPTBooks Editorial Team

Japanese Language Education Specialists

Last updated:

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