〜に基づいて／に基づき／に基づく／に基づいた

Meaning

This pattern indicates that something is done or determined based on a specific standard, reference, or foundation. The noun preceding に基づいて/に基づき describes the basis or criterion. Different forms are used depending on position: に基づいて and に基づき function as midsentence connectives, while に基づく and に基づいた function as noun modifiers.

Formation

Examples

1. 教育法に基づいて学校を開設する。
   The school was established in accordance with the Education Law.

2. この映画は実話に基づいて作られています。
   This movie is made based on a true story.

3. これらの要因に基づき、わが社は東南アジア市場へ進出する計画を中断することになりました。
   Based on these factors, our company has decided to suspend our expansion plan into the Southeast Asian market.

4. 彼が教えてくれたアドバイスは経験に基づいたものだった。
   The advice he gave me was based on his personal experience.

Summary

• Use に基づいて or に基づき when connecting to the main clause (midsentence position)
• Use に基づく or に基づいた when modifying the following noun directly
• The pattern emphasizes that an action, decision, or statement has a clear foundation or is justified by a specific reference point