N3 · Structured courses

～wo Moto ni: Based On

Learn wo moto ni for "based on / using as material." This lesson combines form, context, examples, common mistakes, and practice so you can use the pattern in real communication.

12 minNihongo Hub Editorial TeamPublished 2026-06-06Updated 2026-06-06

Learning objectives

  • Lesson goals: Learn wo moto ni for "based on / using as material."
  • Form and connection: [Noun] をもとに
  • Nuance in real use: をもとに marks the starting point of creation — it traces a work, decision, or idea back to its raw material. In Japan, people value this attitude of "not forgetting the source."

Form and connection

[Noun] をもとに

Core Explanation

Learn wo moto ni for "based on / using as material."

Cultural Note

をもとに marks the starting point of creation — it traces a work, decision, or idea back to its raw material. In Japan, people value this attitude of "not forgetting the source."

Practical examples

It's a movie based on a true story.
We developed a new product based on the survey.
I'll give advice based on my experience.

Common pitfalls

Build the base form before adding the pattern

Complete the required conjugation first. Do not keep polite and plain endings at the same time.

Match politeness to the situation

The examples are reliable starting points; relationships and context can still change the most natural wording.

Practice and answers

1. Write the connection formula for this lesson.
Show answer[Noun] をもとに
2. Explain the meaning of the first example.
Show answerIt's a movie based on a true story.
3. Rewrite the final example using this lesson pattern.
Show answer経験けいけんをもとにアドバイスします。 ([Noun] をもとに)

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